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The U.S. 12h clock is stupid: 12PM + 1h = 1PM
If you don't use a 24h clock at least do it like the Japanese, who also use the 12h clock and have: 0:00 PM + 1h = 1:00 PM
that just moves the weird math, because 11:00 + 1h = 00:00... The fact that clocks are a circle means there is some weird math like this happening somewhere no matter the system.
Not really 11:00 AM +1h becomes 00:00 PM, and vice versa. PM and AM are different prefixes/systems/units. Much simpler to understand IMO. 12:00 AM and 12:00 PM would no longer exist, you just convert them from PM to AM or back when you reach them and set the numbers to 00 again.
This is basically the same system as the regular 12:00 clock except noon and midnight are 00:00 instead of 12:00.
Seems functionality the same to me.
24 hour is the only way. If only I could convince people to stay saying "15 O'Clock". That would be neato. People know what it is, just not used to it
turns out Americans really love the modulo operation, no wonder programmers are paid so well there