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Why don't the whole planet just use UTC+00:00 / Universal Time without time zones?
(programming.dev)
this post was submitted on 31 May 2025
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Base 10/100 is inferior to 12/60 when it comes to splitting.
10 can only be divided by 10,5,2, and 1. 100 only adds 4, 25, and 50 to that.
12 is divisible by 12,6,4,3,2, and 1. 60 adds 5,10,15,20, and 30.
What is time other than measuring the movements of circles and spheres? The rotation of the earth, the revolution around the sun. It makes sense for us to use the same basic 12/60/360 tools we use for circles, degrees. The “metric” measurement of circles is radians, which would require factoring pi into our measurement of time, and that would be way more complicated.
That is correct. We'd gain a few things though. For example I could easily tell how much time passed between 8:47am and 3:22pm without doing all the gymnastics. Or maybe how many days it is until a certain date. As of now that's just a lot of irregular 30s and 31s and then the last of February and you almost need a look-up table for that with all the extra rules and exceptions.
Main thing I wanted to say, once you decouple time from the timezones, you're somewhat on the way of making earth's spin meaningless. You'd end up going to work at 14:50 and returning home at 23:20 anyway (for example). Maybe you'll advance into a new day randomly while at it. I don't see how that's fundamentally different to just working from 250 until 600. And I think I can as easily remember to pick up the kids at 2am or at 100 ticks. Also some calculations wirh the 60 are really annoying. Netflix will show a movie is 155 minutes, it's now x o clock and do I get to bed at 10:30pm? That'd also be easier with metric. And once I look at kids these days, they don't know how to read those circular clocks in the first place. So drawing time on a circle might be an arcane, old concept to them, and we don't need to bother with the circle for much longer...
(There is some sarcasm hidden in these words.)
(Edit: And dividing the circle is another thing. Why not use radians, or better tau? I mean I get that 360 has a lot of divisors. But why do I need to remember that 3/4 of a circle is 270 degrees, why can't I just say three quarters of the circle? Or store a concept of how much 200 degrees is in my brain if the calculator returns this? I think it'd be far easier if it gave that to me in fractions of the whole circle. I have a rough concept of what 55% and a bit is...)