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US/Canada time zones if they were not adjusted for political boundaries
(files.catbox.moe)
For the map enthused!
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be nice
The only reason why you need to do math is because you're not used to it. Once you're used to it you can just apply your local offset if you absolutely need to but otherwise you would just wake up when it's time to wake up and your UTC and you'd go to bed when it's time to go to bed in your UTC.