What month is the leap month in 2020?

2. As a kind of lunar calendar, the number of days per month depends on the monthly loss, and the time of one year is based on 12 months; In order to end the earth's cycle around the sun, that is, the tropic year, one month is added every two to three years, and the added month is a leap month, so the leap year of the lunar calendar is 13 months.

3. In China lunar year, a year with leap month is called leap month year. The lunar year is usually 12 months, 354 or 355 days, and only a few years have only 353 days (for example, 1965). The leap month year is 13 months, generally 384 days, with individual years as long as 383 days, and very few years as long as 385 days (such as 2006).