• bleistift2@sopuli.xyz
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    6 days ago

    As someone who grew up with a 24-hour clock, I can deal with 12 hours. Usually there’s no confusion if your store opens at 7am or 7pm. But 12:30PM being a valid time and meaning ‘00:30 on the next day’ fucks me up every time.

    • [object Object]@lemmy.ca
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      6 days ago

      12:30 AM is 00:30 though?

      They shouldn’t even have 12 on the clock, it should be 0 because the 12 hour clock is modulo 12.

    • tiramichu@sh.itjust.works
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      6 days ago

      12:30PM means 30 minutes after 12-noon.

      Anyone saying that and meaning the middle of the night is just wrong, and if that’s a genuine thing people do it would drive me quite mad.

      30 minutes after midnight is 12:30AM

      • exu@feditown.com
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        6 days ago

        Perfectly illustrates how it doesn’t make sense.

        I can get behind

        • 11.30pm
        • 12.30pm
        • 1.30am

        Or

        • 11.30pm
        • 0.30am
        • 1.30am

        But

        • 11.30pm
        • 12.30am
        • 1.30am

        just doesn’t make sense.

        • Mouselemming@sh.itjust.works
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          6 days ago

          You start counting the hours to the next noon at midnight, duh. That’s why it’s ante-meridian, and the beginning of a new day. If you want to go around calling it 00:30, most people would understand, even in America.

        • MinnesotaGoddam@lemmy.world
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          6 days ago

          i would like to suggest, instead of 1230pm and 1230am we do 1230m and 1230n. one for midnight and one for noon. or one for night and one for munchies. i forget.

        • Aqarius@lemmy.world
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          6 days ago

          Did you mix up the first and third place? Because if 12:00 is “m”, it makes more sense for 12:30am to be night.

      • bleistift2@sopuli.xyz
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        6 days ago

        As I said, it always fucks me up. The AM/PM indicator wraps at a different hour than the hours. Aaargh!

    • GalacticGrapefruit@lemmy.world
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      6 days ago

      Literally this. I was never in the military, and I’m glad they literally can’t draft me unless they lower a lot of requirements really fast. But 24-hour time is just so much more sensible. There’s no “AM or PM?” follow-up question, no guesswork. It just makes sense.

      If they made metric time, I’d adopt that shit in a heartbeat.

      • arctanthrope@lemmy.world
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        6 days ago

        the standard time that almost everyone uses is metric, i.e. is part of the metric system, its units are SI units. there was a system of decimal time, if that’s what you mean, developed in France during the revolution, where a day is 10 hours, each 100 minutes, each 100 seconds

        so a decimal hour is 2.4 standard hours
        a decimal minute is 1.44 standard minutes
        a decimal second is 0.864 standard seconds

      • MinnesotaGoddam@lemmy.world
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        6 days ago

        how heartbeat? I have a metric calendar that only one other person likes. 13 months of 4 weeks of 7 days, with one day leftover for celebrating my birthday (because i decided we’re doing the calendar, the day off is my birthday suck it trebek)

    • homes@piefed.world
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      6 days ago

      This teaches you the value of terms like “half past noon“ and “quarter to midnight“

        • virku@lemmy.world
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          6 days ago

          Norwegian here. I don’t recognize this. Where in europe do they say it like that? We mostly use the 12 hour system to talk about time of day, but write in 24 hours. We don’t say am or pm though.

        • folekaule@lemmy.world
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          6 days ago

          I guess you’re making a joke about .5 being half and .25 being quarter. We say half past 11 in the US too.

          The real problem is languages that use “half 11” and it means 11:30 or 10:30 depending on where you are.

    • Mouselemming@sh.itjust.works
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      6 days ago

      12:30 pm is half-past noon.

      12:30 am is half past midnight, or as you would say 00:30

      The m is “meridian” which is noon (sun straight up)

      The a is ante/before and the p is post/after

      In olden days it was easier to look up and set your clock at noon than midnight.