Time to be bissextile

“It’s really clear that the most precious resource that we all have is time…”

Steve Jobs

A leap, intercalary or bissextile year, is a Gregorian calendar year that contains an additional day added to keep things synchronised with the reality of the astronomical year. These years are 366 days, with February the 29th being added. The length of an astronomical year using this correction in 365.25, hence every year divisible by 4 has the extra day. However the unfortunate truth is the actual length of an astronomical year is 365.2435 days. Over 4 centuries the accumulated error of adding a leap day every 4 years is about 3 extra days. Pope Gregory VIII (seen above) was a man who liked accuracy, so when he announced his calendar in 1582, this problem was corrected by the removal of 3 days every 400 years. If a year is divisible by 100, but not 4, (1700, 1800, 1900, 2100, 2200 and 2400 for example) it is not a leap year. #enjoytheextraday #letsmakelemonade

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