What are the big moon and the small moon?

The big moon and the small moon are divided into lunar and solar calendars:

1, lunar month is 30 days, and abortion is 29 days. The big month and the small month complement each other. It is different which month is bigger and which month is smaller in a year, sometimes it is two, three, four big months or two consecutive three small months. Because the first month of the lunar calendar is slightly longer than 29 and a half days, there are about 53 big months and 47 small months in every 100 calendar month of the lunar calendar.

2. The size of the months in the solar calendar is regular. Before July, a single month is a big month, and two months is a small month; After August, two months are big months and a single month is small, so 1 month, March, May, July, August,1month,1February are big months, and April, June, September,1/kloc. The average solar calendar year is divided into twelve months, the first month is 3 1 day, the second month is 30 days, and the second month is 28 days. The average calendar month is approximately equal to the average length of Wang Shuo's month of 29.5306 days.

Extended data:

Remember the formula of the big moon and the small moon:

One is to recite the formula: 1 month, March, May, July, August,1month and1February are designated as big months, and each month is 3 1 day; Other months are designated as abortion.

That is: 1, 357,800 wax, 3 1 day never goes bad; The winter in 469 is 30 hours, only February 28th, and there will be an extra day in leap year.

(In order to remember the catchy words of escort, the wax here refers to the Gregorian calendar 65438+ February, and the winter refers to the Gregorian calendar 165438+ October. )

You can also use the concave and convex part of the back of your hand, whether it is a big concave or a small moon.

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