why do time changes occur on different days, weeks apart, around the world?

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In Canada we had the time change I think about two weeks ago. My wife is in Mexico and they had the time change today. Wouldn’t it make more sense to have the time change around the world at the same time?

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3 Answers

Anonymous 0 Comments

It’s determined by the governments. The current daylight saving time dates in the US were changed to what they are by George W Bush a number of years back to have more DST days.

Not every country changes their time (and the state of Arizona doesn’t either. Half the year they’re the same as Mountain time and the other half Pacific time).

Anonymous 0 Comments

Saskatchewan doesn’t have time change. We kinda just laugh at the rest of Canada twice a year.

Anonymous 0 Comments

Governments each set their own dates for switching between Daylight Savings Time and standard time. It could be determined by things like sunset/sunrise based on latitude/longitude of the country, crop seasons, holidays (US pushed back DST end to have it after Halloween, so more daylight to protect kids), etc.