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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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When Pope Gregory XIII briefly shortened the light-year in 1582, it led to navigational chaos and the loss of several Papal starships.
You asked for a lightyear adjusted based on leap years, I provided the number. It’s a bit more than 365 light days and a bit less than 366 light days, it’s closer to the real distance covered by light during the time the earth goes around the sun.