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Why is February 28 in the Gregorian calendar
2022-07-05 17:38:00 【Grand mage yunzhongjun】
The solar calendar tries to make the average number of days in a year equal to the length of the regression year
However, the number of months and days in a year is artificially prescribed
caesar(Gaius Julius Caesar) After the conquest of Egypt , Brought back the Gregorian calendar of Egypt
because caesar My birthday is in 7 month , He asked that this month must be the big month
Therefore, the celestial litterateurs set the single month as the big month
Six months , Six months make an extra day in ordinary years , Only one day is deducted from a certain month
At that time, the death penalty in Rome was 2 Month execution , People think this is an unlucky month
therefore 2 The month is subtracted by one day , Only 29 God
caesar After the death of , His heir Octavian (Gaius Octavius Thurinus) Succession
Octavian's birthday is 8 month , He stipulated that 8 The month is set as the big month
And from 8 After month , The double moon is the big moon
thus , There are seven big months in a year
Unlucky 2 Month minus another day , Only 28 God
note:
july
julius caesar
august
emperor Augustus -> Gaius Octavius Thurinus
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