Traditional Culture Encyclopedia - Almanac inquiry - Excuse me, how can I find a perpetual calendar that is several months old and several months small?
Excuse me, how can I find a perpetual calendar that is several months old and several months small?
The perpetual calendar is the oldest solar calendar in ancient legends of China. A perpetual calendar is an annual calendar that records the dates of specific solar and lunar calendars within a certain time range (such as 100 years or more), which is convenient for people in need to query and use. Ten thousand years is just a symbol, indicating a long time span.
Extended data
solar calendar
The solar calendar, perhaps the earliest calendar used by our ancestors, is based on the laws of the sun. The ancients thought that the sun revolved around the earth, and one revolution was a year-today we know that it is the cycle of the earth revolving around the sun, but the ancients knew the opposite. According to scholars' research, there was a solar calendar in the Warring States Period, with ten months a year in the name of heavenly stems, thirty-six days in January and three hundred and sixty days in the name of earthly branches. Plus five to six days of "wasted time", a year is 365 days or 366 days.
traditional Chinese calendar
The lunar calendar is based on the changes of the moon's profit and loss. The period of a lunar month is twenty-nine or thirty days, and the length of a year is only an integer multiple of the month, which has nothing to do with the tropic year. The month has nothing to do with the four seasons. Greek calendar and hijri calendar belong to this kind of calendar.
Baidu encyclopedia-perpetual calendar
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