Show HN: Our calendar is political, not mathematical – explore alternatives

1 points by szemy2 2 months ago · 0 comments · 1 min read

365 is nearly prime (5×73), which is why our months are uneven and weeks don't fit into months. But 360 has 24 divisors — swap 5 days for year-end holidays and you unlock dozens of clean calendar systems where every month is identical.

I built a tool to explore them all: pick a base, see every valid factorization, compare against Gregorian side-by-side.

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