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xkcd #3272: Time Change (imgs.xkcd.com)

submitted 6 days ago by xkcdbot@lemmy.world to c/xkcd@lemmy.world

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xkcd #3272: Time Change

Title text:

All discussions of daylight saving time policy are doomed by a mix of contradictory, inconsistent, and impossible preferences, which is why I think the only thing we can really hope to do is to make it worse.

Transcript:

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Source: https://xkcd.com/3272/

explainxkcd for #3272

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[–] atomicbocks@sh.itjust.works 8 points 5 days ago (1 children)

I hate to complicate things but we already skip leap years…

The Gregorian calendar, the world's most widely used civil calendar, makes a further adjustment for the small error in the Julian algorithm; this extra leap day occurs in each year that is a multiple of 4, except for years evenly divisible by 100 but not by 400. Thus 1600, 2000 and 2400 are leap years, but 1700, 1800, 1900, 2100, 2200, and 2300 are not.

[–] JcbAzPx@lemmy.world 1 points 5 days ago (1 children)

That's leap days. We also skip leap minutes occasionally. I think we've only removed whole years in retrospect.

[–] Armok_the_bunny@lemmy.world 1 points 5 days ago

Leap year is the term for the year a leap day occurs in. I also don't believe there have ever been full leap minutes, just leap seconds.