How many days are there in February in leap year?

There is one more day in February in leap year, and there are 29 days. A leap year has 366 days: February is 1- 1 day, 29 days, 3 1 day, 30 days, 3 1 day, 30 days, 3 1 day and 3 1 day respectively.

There are two February in the lunar calendar year, and the second February is a leap February. The frequency of leap February is second only to leap March, and the frequency is moderate around AD 2 1 century, generally once every 19 years (such as 2004 and 2023). Since then, the frequency of leap February has gradually decreased, becoming a rare leap month, which occurs once every century from 25th to 28th century, and there is no leap February in 29th to 30th century, 36th to 38th century and 40th to 44th century. The setting of the lunar leap month is an artificial measure that conforms to the laws of nature and has nothing to do with superstitious ghosts and gods. Therefore, any rumors and behaviors (superstitious activities in rural areas) that "disasters are related to leap months" (such as "February flies") are against science and are not worth refuting.