Traditional Culture Encyclopedia - The 24 Solar Terms - Why can there be thirteen months in the lunar leap year? For example, there can be two Dragon Boat Festival in leap May.
Why can there be thirteen months in the lunar leap year? For example, there can be two Dragon Boat Festival in leap May.
1. Why is a leap year 13 months?
The leap month in the lunar calendar is different from that in the Gregorian calendar. The number of days in the lunar calendar is less than 360, so there is a leap month every three years (it is a whole month, not just one day like the Gregorian calendar).
2. Leap year rule
According to astronomical principles, the lunar leap month is a leap year of three years, five years, 65438+ seven years in 2009, and two consecutive years are leap years? It doesn't seem to exist
3. What is the law of leap month?
Depending on the 24 solar terms, some of the 24 solar terms are called "Festival" and some are called "Qi", and leap months generally choose months without "Qi".
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