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Thread: 12 hour times or 24 hour times?

  1. #1
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    12 hour times or 24 hour times?

    is there some easy way to tell if the user's culture/preference is to use 12 hour time expressions or 24 hour time expressions?
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  2. #2
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    Re: 12 hour times or 24 hour times?

    Not an operating system problem, moved to The Cafe.
    Last edited by Frogs Hair; September 2nd, 2019 at 01:05 AM.
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  3. #3
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    Re: 12 hour times or 24 hour times?

    Depends on your background. If you spend any amount in the service you will like military time like 1300 hours, or if not 1:00 PM.
    I was in the military back 60 years ago, and if now prefer 1:00 PM.
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    Re: 12 hour times or 24 hour times?

    The whole world prefers 24 hour time. All time tables are in 24 hours. Only lazy cultures still use 12 hours, inches and pounds instead of the science based SI system
    I think the USA is one of the two hold outs world wide, that do not prefer SI.
    Last edited by lammert-nijhof; September 2nd, 2019 at 11:55 PM.

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    Re: 12 hour times or 24 hour times?

    Quote Originally Posted by Skaperen View Post
    is there some easy way to tell if the user's culture/preference is to use 12 hour time expressions or 24 hour time expressions?
    What user?
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  6. #6
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    Re: 12 hour times or 24 hour times?

    Quote Originally Posted by lammert-nijhof View Post
    The whole world prefers 24 hour time. All time tables are in 24 hours. Only lazy cultures still use 12 hours, inches and pounds instead of the science based SI system
    I think the USA is one of the two hold outs world wide, that do not prefer SI.
    It's a location and age thing. If you were never taught the metric system while in school and are in a location where either is acceptable then you are more apt to go with the one you were taught.
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    Re: 12 hour times or 24 hour times?

    i'm writing a little program to sleep until a specified time instead of for a specified duration. if the time is 10:00 in the morning and this program is run with "1:30" should it sleep for 3.5 hours or 15.5 hours. it would be clear if "an" or "pm" is included. but, if not, i'd like to guess better. maybe, if the language is "en_us" i can guess 12 and for anything else i can guess 24.
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  8. #8
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    Re: 12 hour times or 24 hour times?

    Quote Originally Posted by lammert-nijhof View Post
    The whole world prefers 24 hour time. All time tables are in 24 hours. Only lazy cultures still use 12 hours, inches and pounds instead of the science based SI system
    I think the USA is one of the two hold outs world wide, that do not prefer SI.
    Lazy? No.
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  9. #9
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    Re: 12 hour times or 24 hour times?

    as a kid my 1st wrist watch was a casio with the digital lcd & that is how i discovered the 24 hour format.

    since then i personally prefer the 24 hour clock but in some situations & with some people i have to specify am / pm.

  10. #10
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    Re: 12 hour times or 24 hour times?

    From personal experience the PM and AM thing is english. In Switzerland we use 12h when spoken (so 2 oclock for the afternoon) but use 24h when writing to remove the ambiguity.

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