this post was submitted on 22 Feb 2024
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xkcd

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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.

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[โ€“] [email protected] 9 points 6 months ago* (last edited 6 months ago) (1 children)

idk, it feels more intuitive for it to be based on the mode (most common) year length (365) instead of the average year length (365.2425).

[โ€“] [email protected] 27 points 6 months ago

The boring answer is that in physics a year is just defined as the time it takes for the Earth to orbit the sun, they don't care about calendars and leap years