As an American who uses the 24-hour time, so many people use 12-hour I basically still use 12-hour.

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[–] -2 points 5 months ago (5 children)

What if somebody says to meet at 12:30 AM? I would think that's an half hour past noon. Yet it often goes 11am -> 12pm -> 12:30pm -> 1pm. Absolute madness.

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  • [–] 4 points 5 months ago (2 children)

    Well since it goes like this 11:59am, noon 12:01pm and 11:59pm, midnight, 12:01am you have your am and pm figuring wrong.

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  • [–] 3 points 5 months ago

    I agree with you up to the :30 part. 12:00am vs pm is nonsensical and seems like it could go either way.

    But AM/PM means before noon/after noon, so 12:30 AM is unambiguously before the current day's noon, and 12:30 PM is definitely after the day's noon.

    For determining 12:00AM VS PM I use the law of lease surprise. Basically it would be weirder for 12:01AM to be proceeded by 12:00PM since it would make sense for AM/PM to flip with the hour. Is this scientifically rigorous? Should we need this much philosophy to determine the current time: no, Hence the only real solution is to 24 hour time

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