3 ms·

Or you can observe 1461 = 3 * 487 and divide every four-year period into... um... three hexadecamesters?

• mckirk 3y ago
  That's the spirit!
• berbec 3y ago
  Don't forget, every 100 years isn't a leap year, but every 400 is. Their are 485 leap years between 2000 and 3999, inclusive, for a total of 730,120 days.