Who has 20 12 24 solar terms solar term time at Purple Mountain Observatory?

The lunar calendar is based on the moon's profit and loss. A lunar month is a new moon, that is, from the first day to the thirtieth day, the moon appears and disappears (usually from the third day), crescent (the first half of the month)-moon plate-crescent (the second half of the month), so the lunar calendar has no influence on agricultural production.

24 solar terms is a building with reference to 1 according to the position of the sun and the earth. When naming, it is also based on historical experience, such as the wake of thunder, rainy rain and so on. 24 solar terms basically explained climate change, which is of great significance to China's agricultural production.

If you want to know how many minutes and seconds the solar terms of mango will be at 20 12, you must learn the astronomical calendar and calculate it.