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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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Once upon a time, when airplanes where not a thing and real time communication implied a distance that you can scream to... When only snail mail or telegraph where available and people traveled by boat and train...
You would never experience jet lag nor have the problem of knowing if people far away was ssleeping or not.
In this scenario, when time was standardized and organized, it only made sense that everybody would wake up and go to bed at the same time no matter where their lived (more or less, of course ,you get the meaning). Thats when time zones where defined, so that people traveling by boat or train would keep waking up day after day at the same time of the day.
Without time zones, life would be quite difficult to organize and understand. Ask to the Chinese, that live in the Beijing timezone in a country spanning three time zones. They keep using mixed local and Beijing times... And catching trains and airplanes is a mess for this reason...
No, timezones are really needed. Not having them would be weird and messy.