What's the date of February 13 1986?

1986 Lunar February 13 Gregorian calendar March 22nd.

Lunar calendar, also known as summer calendar, lunar calendar, old calendar, Han calendar and old calendar, is one of the traditional calendars in East Asia. The lunar calendar belongs to a kind of lunar calendar, and an average calendar month is equal to a new moon. The leap month is set to make the general calendar year a tropical year, and the 24 solar terms are set to reflect the characteristics of seasonal changes, so there is also a solar calendar.

All Chinese in the world and countries such as North Korea, South Korea, Vietnam and Japan still use the lunar calendar to calculate traditional festivals such as Spring Festival, Mid-Autumn Festival and Dragon Boat Festival.