200 1 what day is April 20 in the lunar calendar?

According to the calendar of 200 1, we can know that April 20th of 200 1 corresponds to March 27th, that is, Grain Rain with 24 solar terms.

The lunar calendar, also known as the summer calendar and the lunar calendar, is one of the traditional calendars in China. The lunar calendar belongs to a kind of lunar calendar, and the average calendar month is equal to one lunar month, with the reference to the tropical year of the sun as the length of one year. Twenty-four solar terms and leap months have been added to adapt the average calendar year to the tropic year.