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I know that to say `an hour and a half` you can say `一時間半`, but is it possible
to express simply `half an hour` even though the counter comes before 半? Or
would you just have to say `三十分`?

If both ways are possible, is one widely more common or are they both equally
common?
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2012-06-02T01:26:40.080
5719
2013-05-16T10:51:32.493
575
question
numbers expressions counters time
Can you say "half hour" or must you say "30 minutes"?
We normally say [三十分]{さんじゅっぷん}.  
Some people say [半時間]{はんじかん}, but I think it's only used in Kansai area.  
  
参考に・・→ [OKWave「半時間って方言ですか」](http://okwave.jp/qa/q308061.html)  
  
P.S.  
I'm from Kyoto but actually I've never noticed any of my friends say 半時間...
Most of them are in/from Kyoto, Osaka, or Shiga. I think it's more used by
older people (probably in Osaka?), because the only two people I can remember
that use 半時間 regularly are from Osaka, living in Osaka and over 70 years old.
CC BY-SA 3.0
2012-06-02T05:25:26.163
5722
2013-05-16T10:51:32.493
2013-05-16T10:51:32.493
5719
answer