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24-hour time/military time + AM/PM?

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beneficii
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12 Dec 2013, 8:06 pm

I have a co-worker who likes to write times like 1830 PM. I'm thinking, What is the purpose of the "PM" here? I thought the purpose of 24-hour time was to eliminate the AM/PM.


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equestriatola
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12 Dec 2013, 8:11 pm

*shrug*


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Aprilviolets
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12 Dec 2013, 9:55 pm

I like the 24 hour time at the moment its 13:53 hrs.



jk1
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12 Dec 2013, 10:25 pm

Someone else (IRL) pointed out the same thing. I agree. There's no point in putting the PM if you write 1600 etc.

However, when the hour is less than 13, there is still a chance that a misunderstanding could happen. 1100 may mean 11AM but some people might quickly think it's 11PM. Recently my colleague's mother missed her flight because she thought her flight was 6PM when it was actually 6AM. I don't know how it was printed on her ticket etc. So I guess it's always safer to have AM/PM written. Then what's the point of using numbers greater than 12 for the hour?



naturalplastic
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13 Dec 2013, 9:39 am

Probably just a bad habit on the part of you coworker.



Schneekugel
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13 Dec 2013, 12:03 pm

jk1 wrote:
Then what's the point of using numbers greater than 12 for the hour?


I know that everything in the world is about english customs, but actually, people outside english speaking countries, like as well to have plans on time, even after noon. It would be pretty lame if I got a ticket for a flight, and instead of an exact time, there would only be mentioned 12:00+. ^^



pawelk1986
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31 Dec 2014, 10:37 am

From what i know that 24- hours system was adopted in Poland in 80 after first electronic watches become popular. And 24 hours system was always used in Polish Army, even before WW2.