Was the first president born on Feb. 11, 1731, or Feb. 22, 1732? Both.
Yes, there were exactly 365 days between Feb. 11, 1750, and Feb. 22, 1752.. He went to bed on Wednesday, Sept. 2, and woke up on Thursday, Sept. 14. There’s no record of what he did between Sept. 3 and Sept. 13, because in 1752, those days did not exist.Monday marks the federal holiday officially called Washington’s Birthday, known mostly as Presidents’ Day, a day designated,, to honor the first president, the first and third presidents, the first and 16th presidents, or all presidents.
It’s kind of a squishy holiday, which is fitting, considering that in Washington’s own lifetime he and millions of other people chose to change their birthdays when the British Empire and its colonies switched from the Julian calendar, in use since the days of Julius Caesar, to the Gregorian calendar.
Warning: The following paragraphs contain a little math. If you would like to take The Washington Post’s word for it and skip this section, scroll down until you pass the illustration.The Julian calendar calculated a year as 365 days and six hours — meaning most calendar years had 365 days, with one full day being added every four years — a leap day — to keep the calendar in line with Earth’s revolutions around the sun.
But as time went on, scientists realized that 365 days and six hours was not the correct calculation. One revolution of Earth around the sun actually takes 365 days, 5 hours, 48 minutes and 45.25 seconds.
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