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<p>this class represents a date time and allows to perform various operation according to the locale settings.  
 <a href="classboost_1_1locale_1_1date__time.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="date__time_8hpp_source.html">boost/locale/date_time.hpp</a>&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae7a3b74e7512ddc4d618eb1f51c3d2b0"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#ae7a3b74e7512ddc4d618eb1f51c3d2b0">date_time</a> ()</td></tr>
<tr class="separator:ae7a3b74e7512ddc4d618eb1f51c3d2b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7d98e552f2ff8a421a5c226102ba0138"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a7d98e552f2ff8a421a5c226102ba0138">date_time</a> (<a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;other)</td></tr>
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<tr class="memitem:a45008e76b980e7487e3d61b8372d67ae"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a45008e76b980e7487e3d61b8372d67ae">date_time</a> (<a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;other, <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;<a class="el" href="classboost_1_1locale_1_1date__time.html#a4c0ed3be4d5d3bb44014a2ea12927ff8">set</a>)</td></tr>
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<tr class="memitem:abe5d459e7552ca13b127c682e0d9caab"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#abe5d459e7552ca13b127c682e0d9caab">operator=</a> (<a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;other)</td></tr>
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<tr class="memitem:addfee06ea6efa5fdca252191176b5756"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#addfee06ea6efa5fdca252191176b5756">date_time</a> (double <a class="el" href="classboost_1_1locale_1_1date__time.html#a17aa2b54462ebcf1860f8e4db9f7868e">time</a>)</td></tr>
<tr class="separator:addfee06ea6efa5fdca252191176b5756"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab806af3aee6d70057d1f8e6fbfd09216"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#ab806af3aee6d70057d1f8e6fbfd09216">date_time</a> (double <a class="el" href="classboost_1_1locale_1_1date__time.html#a17aa2b54462ebcf1860f8e4db9f7868e">time</a>, <a class="el" href="classboost_1_1locale_1_1calendar.html">calendar</a> const &amp;cal)</td></tr>
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<tr class="memitem:abfa9db762ab227427778d8fc3c2bf73d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#abfa9db762ab227427778d8fc3c2bf73d">date_time</a> (<a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;<a class="el" href="classboost_1_1locale_1_1date__time.html#a4c0ed3be4d5d3bb44014a2ea12927ff8">set</a>)</td></tr>
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<tr class="separator:a871745debde77a28f5fbc6e2b2a5f869"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2f7ccfb9e28fa3bb172be9f0446caafd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a2f7ccfb9e28fa3bb172be9f0446caafd">operator=</a> (<a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;f)</td></tr>
<tr class="separator:a2f7ccfb9e28fa3bb172be9f0446caafd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4c0ed3be4d5d3bb44014a2ea12927ff8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a4c0ed3be4d5d3bb44014a2ea12927ff8">set</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f, int v)</td></tr>
<tr class="separator:a4c0ed3be4d5d3bb44014a2ea12927ff8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af6436a546d3b944238f9fa952e5e18bd"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#af6436a546d3b944238f9fa952e5e18bd">get</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f) const </td></tr>
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<tr class="memitem:ac2a3a8f6fdba552b19e478bb6757523e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#ac2a3a8f6fdba552b19e478bb6757523e">operator/</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f) const </td></tr>
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<tr class="memitem:a0df3596add1804b1f64d363fea181fe2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a0df3596add1804b1f64d363fea181fe2">operator+</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f) const </td></tr>
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<tr class="memitem:ac870c0fcba5814cd91bb9c63823e280a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#ac870c0fcba5814cd91bb9c63823e280a">operator-</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f) const </td></tr>
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<tr class="memitem:a3a53ba943cb5140bafbfbda3d44b4083"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a3a53ba943cb5140bafbfbda3d44b4083">operator&gt;&gt;</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f) const </td></tr>
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<tr class="memitem:ae71279d6e8dcc984fe3703b61d545416"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#ae71279d6e8dcc984fe3703b61d545416">operator&lt;&lt;=</a> (<a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f)</td></tr>
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<tr class="memitem:af83662eb6a5d2298cda9159f5277a563"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#af83662eb6a5d2298cda9159f5277a563">operator-</a> (<a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;v) const </td></tr>
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<tr class="memitem:a7116785ff9f8b5f403e10a24b9b4477d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a7116785ff9f8b5f403e10a24b9b4477d">operator+=</a> (<a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;v)</td></tr>
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<tr class="memitem:a4605cf04447095908cba7a1cba700b9e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a4605cf04447095908cba7a1cba700b9e">operator&gt;&gt;=</a> (<a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;v)</td></tr>
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<tr class="memitem:a048c4e2a1967351e84006177c14ef5e2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a048c4e2a1967351e84006177c14ef5e2">operator&lt;&lt;=</a> (<a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;v)</td></tr>
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<tr class="memitem:a797242365127dae7142f0a950c4e4e78"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a797242365127dae7142f0a950c4e4e78">operator&gt;&gt;=</a> (<a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;v)</td></tr>
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<tr class="memitem:a17aa2b54462ebcf1860f8e4db9f7868e"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a17aa2b54462ebcf1860f8e4db9f7868e">time</a> () const </td></tr>
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<tr class="memitem:a71bc51cd2ef635dfb0da6c0b740dcb5f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a71bc51cd2ef635dfb0da6c0b740dcb5f">time</a> (double v)</td></tr>
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<tr class="memitem:a4d807fa280bbe8d88efbc9a05f4a2d7c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a4d807fa280bbe8d88efbc9a05f4a2d7c">operator&gt;=</a> (<a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;other) const </td></tr>
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<tr class="memitem:a704626c84b012080f5e0b73db3d080fb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a704626c84b012080f5e0b73db3d080fb">swap</a> (<a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> &amp;other)</td></tr>
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<tr class="memitem:a36df44f891d2a39ca16f57e568b67a3d"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a36df44f891d2a39ca16f57e568b67a3d">difference</a> (<a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;other, <a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a> f) const </td></tr>
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<tr class="memitem:a047e6e010df55fee166dcb3c9e7d3b95"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1locale_1_1date__time.html#a047e6e010df55fee166dcb3c9e7d3b95">is_in_daylight_saving_time</a> () const </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>this class represents a date time and allows to perform various operation according to the locale settings. </p>
<p>This class allows to manipulate various aspects of dates and times easily using arithmetic operations with periods.</p>
<p>General arithmetic functions:</p>
<ul>
<li><a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> + <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> = <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a>: move time point forward by specific periods like <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> + month;</li>
<li><a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> - <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> = <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a>: move time point backward by specific periods like <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> - month;</li>
<li><a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> &lt;&lt; <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> = <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a>: roll time point forward by specific periods with rolling to begin if overflows: like "2010-01-31" &lt;&lt; 2* day == "2010-01-02" instead of "2010-02-02"</li>
<li><a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> &gt;&gt; <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> = <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a>: roll time point backward by specific periods with rolling to end if overflows: like "2010-01-02" &gt;&gt; 2* day == "2010-01-31" instead of "2009-12-30"</li>
<li><a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> / period_type = int - current period value: like "2010-12-21" / month == 12. "2010-12-21" / year = 2010</li>
<li>(<a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> - <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a>) / period_type = int: distance between dates in period_type. Like ("2010-12-01" - "2008-12-01") / month = 24.</li>
</ul>
<p>You can also assign specific periods using assignment operator like: some_time = year * 1995 that sets the year to 1995. </p>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="calendar_8cpp-example.html#_a1">calendar.cpp</a>.</dd>
</dl></div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<p>Dafault constructor, uses default calendar initialized <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> object to current time.</p>
<dl class="section note"><dt>Note</dt><dd>throws std::bad_cast if the global locale does not have <a class="el" href="classboost_1_1locale_1_1calendar__facet.html">calendar_facet</a> facet installed </dd></dl>

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<p>copy <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
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<p>copy <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> and change some fields according to the <em>set</em> </p>

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<p>Create a <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> object using POSIX time <em>time</em> and default calendar</p>
<dl class="section note"><dt>Note</dt><dd>throws std::bad_cast if the global locale does not have <a class="el" href="classboost_1_1locale_1_1calendar__facet.html">calendar_facet</a> facet installed </dd></dl>

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<p>Create a <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> object using POSIX time <em>time</em> and calendar <em>cal</em> </p>

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          <td class="paramname"><em>cal</em></td><td>)</td>
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<p>Create a <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> object using calendar <em>cal</em> and initializes it to current time. </p>

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          <td class="memname">boost::locale::date_time::date_time </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>set</em></td><td>)</td>
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<p>Create a <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> object using default calendar and define values given in <em>set</em> </p>
<dl class="section note"><dt>Note</dt><dd>throws std::bad_cast if the global locale does not have <a class="el" href="classboost_1_1locale_1_1calendar__facet.html">calendar_facet</a> facet installed </dd></dl>

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          <td class="memname">boost::locale::date_time::date_time </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>set</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1calendar.html">calendar</a> const &amp;&#160;</td>
          <td class="paramname"><em>cal</em>&#160;</td>
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          <td></td>
          <td>)</td>
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<p>Create a <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> object using calendar <em>cal</em> and define values given in <em>set</em> </p>

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<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a36df44f891d2a39ca16f57e568b67a3d"></a>
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          <td class="memname">int boost::locale::date_time::difference </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>calculate the distance from this <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> to <em>other</em> in terms of perios <em>f</em> </p>

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          <td class="memname">int boost::locale::date_time::get </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>get specific period <em>f</em> value </p>

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          <td class="memname">bool boost::locale::date_time::is_in_daylight_saving_time </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<p>Check if *this time point is in daylight saving time </p>

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          <td class="memname">int boost::locale::date_time::maximum </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>Get minimal possible value for *this time point for a period <em>f</em>. For example in February maximum(day) may be 28 or 29, in January maximum(day)==31 </p>

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          <td class="memname">int boost::locale::date_time::minimum </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>Get minimal possible value for *this time point for a period <em>f</em>. </p>

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          <td class="memname">bool boost::locale::date_time::operator!= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
          <td> const</td>
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<p>compare <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> in the timeline (ignores difference in calendar, timezone etc) </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator+ </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>add single period f to the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator+ </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
          <td> const</td>
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<p>add <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> to the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator+ </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
          <td> const</td>
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<p>add <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v to the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator+= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
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<p>add single period f to the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator+= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>add <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> to the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator+= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>add <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v to the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator- </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>subtract single period f from the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator- </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
          <td> const</td>
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<p>subtract <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> from the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator- </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>subtract <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v from the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator-= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
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<p>subtract single period f from the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator-= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>subtract <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> from the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator-= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>subtract <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v from the current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname">int boost::locale::date_time::operator/ </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>syntactic sugar for get(f) </p>

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          <td class="memname">bool boost::locale::date_time::operator&lt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
          <td> const</td>
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<p>compare <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> in the timeline (ignores difference in calendar, timezone etc) </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator&lt;&lt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
          <td> const</td>
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<p>roll forward a date by single period f. </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator&lt;&lt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
          <td> const</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> forward by <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> v </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator&lt;&lt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
          <td> const</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> forward by <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
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<p>roll forward a date by single period f. </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> forward by <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> v </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator&lt;&lt;= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> forward by <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
          <td> const</td>
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<p>compare <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> in the timeline (ignores difference in calendar, timezone etc) </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
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<p>assign the <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator= </td>
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          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
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<p>assign values to various periods in set <em>f</em> </p>

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          <td class="memname">bool boost::locale::date_time::operator== </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
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<p>compare <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> in the timeline (ignores difference in calendar, timezone etc) </p>

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          <td class="memname">bool boost::locale::date_time::operator&gt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
          <td> const</td>
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<p>compare <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> in the timeline (ignores difference in calendar, timezone etc) </p>

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          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
          <td> const</td>
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<p>compare <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> in the timeline (ignores difference in calendar, timezone etc) </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
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<p>roll backward a date by single period f. </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator&gt;&gt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
          <td> const</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> backward by <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> v </p>

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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> boost::locale::date_time::operator&gt;&gt; </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> backward by <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em></td><td>)</td>
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<p>roll backward a date by single period f. </p>

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<a class="anchor" id="a4605cf04447095908cba7a1cba700b9e"></a>
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          <td class="memname"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> const&amp; boost::locale::date_time::operator&gt;&gt;= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structboost_1_1locale_1_1date__time__period.html">date_time_period</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> backward by <a class="el" href="structboost_1_1locale_1_1date__time__period.html" title="This class represents a pair of period_type and the integer values that describes its amount...">date_time_period</a> v </p>

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          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time__period__set.html">date_time_period_set</a> const &amp;&#160;</td>
          <td class="paramname"><em>v</em></td><td>)</td>
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<p>roll current <a class="el" href="classboost_1_1locale_1_1date__time.html" title="this class represents a date time and allows to perform various operation according to the locale set...">date_time</a> backward by <a class="el" href="classboost_1_1locale_1_1date__time__period__set.html" title="this class that represents a set of periods, ">date_time_period_set</a> v </p>

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          <td class="memname">void boost::locale::date_time::set </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1period_1_1period__type.html">period::period_type</a>&#160;</td>
          <td class="paramname"><em>f</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>v</em>&#160;</td>
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<p>set specific period <em>f</em> value to <em>v</em> </p>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="calendar_8cpp-example.html#a2">calendar.cpp</a>.</dd>
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          <td class="memname">void boost::locale::date_time::swap </td>
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          <td class="paramtype"><a class="el" href="classboost_1_1locale_1_1date__time.html">date_time</a> &amp;&#160;</td>
          <td class="paramname"><em>other</em></td><td>)</td>
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<p>swaps two dates - efficient, does not throw </p>

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          <td class="memname">double boost::locale::date_time::time </td>
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<p>Get POSIX time</p>
<p>The POSIX time is number of seconds since January 1st, 1970 00:00 UTC, ignoring leap seconds. </p>

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          <td class="memname">void boost::locale::date_time::time </td>
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<p>set POSIX time</p>
<p>The POSIX time is number of seconds since January 1st, 1970 00:00 UTC, ignoring leap seconds. This time can be fetched from Operating system clock using C function time, gettimeofday and others. </p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li>boost/locale/<a class="el" href="date__time_8hpp_source.html">date_time.hpp</a></li>
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