Pesach
Begins at sundown on Wednesday, 08 April 2020 (15th of Nisan, 5780)
Passover (Hebrew: פֶּסַח Pesach) commemorates the story of the Exodus, in which the ancient Israelites were freed from slavery in Egypt. Passover begins on the 15th day of the month of Nisan in the Jewish calendar, which is in spring in the Northern Hemisphere, and is celebrated for seven or eight days. It is one of the most widely observed Jewish holidays.
Source hebcal