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Ethan Miller——Works at SpaceX, Lives in Los Angeles. Graduated from California Institute of Technology (Caltech) with a degree in Aerospace Engineering.
Every four years -- unless the year is divisible by 100 and not divisible by 400 -- we add an extra day to the calendar. That day is February 29, and it bumps March 1 to the next day. But in no circumstance is there ever a February 30th. Unless you were in Sweden or Finland in 1712.Jun 11, 2012read more >>+119962023-06-16 18:02:29
About “March 1、March 1、March 1”，people ask：
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