# Things that don't make much sense, but are hard to change now.

**URL:** <https://boards.straightdope.com/t/things-that-dont-make-much-sense-but-are-hard-to-change-now/412942>\
**Category:** In My Humble Opinion\
**Created:** [July 24, 2007, 10:47am UTC](https://boards.straightdope.com/t/things-that-dont-make-much-sense-but-are-hard-to-change-now/412942 "2007-07-24T10:47:57Z")\
**Posts on this page:** 3\
**Page:** 6

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**Author:** ![Mangetout](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mangetout/32/19_2.png) [@Mangetout](https://boards.straightdope.com/u/Mangetout)\
**Post date:** [July 27, 2007, 3:16pm UTC](https://boards.straightdope.com/t/things-that-dont-make-much-sense-but-are-hard-to-change-now/412942/101 "2007-07-27T15:16:33Z")

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[QUOTE=Hilarity N. Suze]  
But then there would either be no Friday the 13th, or there would be one every month. (You seem to have started on Saturday, if the 22nd is on a Friday.)  
[/QUOTE]

Also, your birthday would always be on the same day, which would probably suck.

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**Author:** ![Annie-Xmas](https://avatars.discourse-cdn.com/v4/letter/a/ecc23a/32.png) [@Annie-Xmas](https://boards.straightdope.com/u/Annie-Xmas)\
**Post date:** [July 27, 2007, 3:20pm UTC](https://boards.straightdope.com/t/things-that-dont-make-much-sense-but-are-hard-to-change-now/412942/102 "2007-07-27T15:20:15Z")

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All this talk about calendars brings up clocks. Specially, why can’t we all be on the same clock? Why can’t it be 1 to 24 o’clock everywhere at the same time?

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**Author:** ![matt\_mcl](https://avatars.discourse-cdn.com/v4/letter/m/7ab992/32.png) [@matt\_mcl](https://boards.straightdope.com/u/matt_mcl)\
**Post date:** [July 27, 2007, 3:32pm UTC](https://boards.straightdope.com/t/things-that-dont-make-much-sense-but-are-hard-to-change-now/412942/103 "2007-07-27T15:32:10Z")

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[QUOTE=Annie-Xmas]  
All this talk about calendars brings up clocks. Specially, why can’t we all be on the same clock? Why can’t it be 1 to 24 o’clock everywhere at the same time?  
[/QUOTE]

Because we don’t want the terminator between calendar days to fall somewhere during the middle of a solar day. It’s convenient to have that happen when most people are asleep or at least in a period of lower or non-essential activity.

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