>>13899465I stole this from some blog but it seems a little related
Over the 400-year cycle of the Gregorian calendar, the average year is 365.2425 days (52.1775 weeks, 8765.82 hours, 525949.2 minutes or 31556952 seconds).
This cycle of the Gregorian calendar has 146097 days and 20871 weeks.
9, 9, 9, 9, 9
9, 9
