this post was submitted on 03 Apr 2024
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Cool, so sunrise is at 8 PM now. Or maybe there's just no consistent relationship between what a clock on the East and West coast of America say, and a call can't be scheduled between them.
The real problem with time and date is that it has to fit social and natural systems as well as actual passage of time. A lot of nuance is unavoidable.
And the problem with that is... ?
If you get rid of timezones they all say the same time, no? If you want to schedule a call you just say the time and save the timzone offset fiddling.
Can you give any more concrete examples? None come to mind beyond habit, which is not an immutable thing.
Here's a quick essay about the problems with it.
TL;DR - as long as people generally prefer to sleep when it's dark and wake when it's light (and they always will in general) time zones are basically needed as a form of lookup table for when to try to communicate with other places.
Well the essay has a lot to discuss, part of which is already (or will be) addressed up and down thread, so towards your TL;DR:
Yes of course, I'm not suggesting to disrupt circadian rhythms. And yes, lookup tables for solar days will always be required, but I would argue this is an inherent complexity to how we measure time in relation to our behavioural patterns and environment. However doing that by using variously large timezones that do not quite match solar days at their edges anyway, with a lot of them changing their offsets by an hour for half the year, and some of them using half-hour offsets throughout the year, that is complexity added for administrative reasons which are partly obsolete and largely irrelevant to the question off what would benefit humanity as a whole the most.
If everybody were to use one single timezone you would memorise your relative offset to noon/midnight pretty fast. Like it's one number to remember, e.g. where you are 4:40am is noon, 4:40pm is midnight, your offset is -7:20. Having those times be (roughly) 12 (for half the year) is just tradition and something we have every child learn. We could teach them about solar offsets just as well. It's not even really more complex, arguably much less so since you remove the need to confuse them with the chaos that global timezones have grown to be historically.