https://xkcd.com/2897

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When Pope Gregory XIII briefly shortened the light-year in 1582, it led to navigational chaos and the loss of several Papal starships.

    • someguy3@lemmy.ca
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      9 months ago

      They skip leap years every now and then. And then skip the skip. Etc. The rotation of the earth around the sun and the spin of the earth on its axis simply don’t line up into a nice number.

      • EtzBetz@feddit.de
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        9 months ago

        Oh okay. Yeah I only have that rule of “every 4 years” in my head. I did some other programming exercise way back where we had some other rule, but I was thinking that it would end up being the same.

    • KISSmyOS@feddit.de
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      9 months ago

      No, years divisible by 100 aren’t leap years, except if they’re also divisible by 400.