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I noticed that in my dictionary 29日 is read either as にじゅうくにち or にじゅうきゅうにち but
19日 doesn't have じゅうきゅうにち reading, only じゅうくにち. Can 19日 be read as じゅうきゅうにち?
CC BY-SA 3.0
2017-12-13T22:13:21.673
55159
2017-12-14T09:20:48.723
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question
readings
Can 19日 be read as じゅうきゅうにち?
Most people (I would like to say "everyone" but just in case..) say:

> 「じゅう **く** にち」 and 「にじゅう **く** にち」

Those are how the NHK announcers pronounce 「19日」 and 「29日」, respectively, as
well.

I am honestly perplexed to hear that your dictionry gives 「 にじゅう **きゅう** にち 」
as an option.

Both 「じゅう **きゅう** にち」 and 「 にじゅう **きゅう** にち 」 sound quite substandard to me.

When you really want to confirm an important date, however, you might first
use the standard pronunciation and then confirm it by repeating the date using
the 「きゅう」 version. That would be quite common but if you used the 「きゅう」
version out of the blue as if it were the standard form, quite a few people
would find it a little weird.

NOTE: I was only thinking of **the 19th and 29th days of a month** in
answering your question. If you were thinking of " ** _(for) 19 or 29 days_**
", then both readings would be correct and natural.
CC BY-SA 3.0
2017-12-14T00:12:57.670
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2017-12-14T06:27:06.893
2017-12-14T06:27:06.893
55159
answer
NHK has [an official
posting](http://www.nhk.or.jp/bunken/research/kotoba/20170301_4.html) on how
they mean to read this. Apparently when the numbers are read alone they use
"kyuu", but when appended to a term (in a date, for example) then they use the
reading "ku" for ease of enunciation.

They thus use 二{にじゅう}九{きゅう} for standalone numbers but
平{へい}成{せい}二{にじゅう}九{く}年{ねん} reading this year or 十{じゅう}九{く}日{にち} for the 19th
day of the month.
CC BY-SA 3.0
2017-12-14T03:33:20.610
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2017-12-14T05:51:18.427
2017-12-14T05:51:18.427
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answer