The difference between the lunar calendar and the lunar calendar is

The lunar calendar is also called the lunar calendar and the summer calendar. It is a kind of calendar in China, and it is also a kind of lunar calendar, commonly called lunar calendar. Normal year 12 months, 30 days in the big month, 29 days in the small month and 354 or 355 days in the whole year. Of course, this is the usual situation, and sometimes there will be a day of discrepancy, such as sometimes 355 days, 385 days, that is, five miscarriages.

Generally speaking, the Gregorian calendar has 365 days in non-leap years and 366 days in leap years. The big moon is generally 3 1 day, and the small moon is 30 days in July except February. Because the number of days in each year is about eleven days worse than that in the solar year, there are seven leap months in nineteen years, and there are 383 or 384 days in a year with leap months. According to the position of the sun, a solar year is divided into 24 solar terms to facilitate agricultural planting and other activities.

The chronology is matched with heavenly stems and earthly branches, with a period of 60 years. According to legend, this calendar originated in the Xia Dynasty, so it is also called the Xia calendar. Also known as the old calendar. The solar calendar takes one year as the time for the earth to go around the sun. Its length is 365 days, 5 hours, 48 minutes and 46 seconds. Because it is not an integer, in order to balance the length, some years are 366 days, called "leap year"; Some years are 365 days and are called "average years".