A lunar calendar, is now internationally accepted calendar. 365 days a year, divided into twelve months, one, three, five, seven, eight, ten, in December for the big monthly, 31 days, four, six, nine, in November for the ozuki, each 30 days in February is 28 days. Because the Earth actually orbits the Sun once in 36 5.24219 (solar year), so every 400 years, 97 leap year, leap year plus one day in the second end of the year is 366 days. Leap year calculation is the year the number of years in 4 addition to have to do is leap year (eg 1960), 100 addition may make the average year (eg 1900), 100 addition was doing with the 400 also inter have to do is leap year ( such as 2000). Age is counting from the legend of Jesus Birth. Also known as the Gregorian calendar, known as the Gregorian calendar.
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gōng lì
International universal calendar now. 365 days a year, divided into twelve months. Every four years in 97 leap year, leap year plus one day two at the end of the year is 366 days. Called the "Gregorian"
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No. 3
Now, most common calendar, known as the Gregorian calendar, also known as the Gregorian calendar. 365 days a year, divided into twelve months, a large month (one, three, five, seven, eight, 10, 12) 31 days, catching colors (four, six, nine, 11) thirty days,二月 28 days. Because of the Earth around the sun actually is 365.24219 days a week (solar year), so every four years a leap year in 97; leap year plus one day late in the second full year is 366 days. Leap year calculation is: the year the number of years divisible by 4 are leap years, but of every one hundred years, only a leap year is divisible by 400. Era is counting from the legend of Jesus Birth.