Why does January and March have 31 days, and February 28? Why can’t/aren’t all 3 months 30 days each? (excluding leap year)

Question

Why does January and March have 31 days, and February 28? Why can’t/aren’t all 3 months 30 days each? (excluding leap year)

In: 2

Answer 1

Because 365.25 (the number of days, i.e. rotations) it takes to go around the sun (the length of a year, i.e. orbit) is not divisible by 12 (the number of months, i.e. the number of lunar cycles, i.e. 12).