The Jewish holiday of Passover runs from Monday, April 22 at nightfall through Tuesday, April 30, which is much later than usual. The date largely has to do with its place on the lunar calendar.

Easter's date is based on the lunar calendar. Easter is observed on the first Sunday after the first full moon following the spring equinox. Easter can be as early as March 22 or as late as April 25.

Hanukkah is an eight-day Jewish holiday whose dates change annually because it follows the Hebrew lunar calendar. The holiday commemorates the miraculous victory of the Maccabees and a single day's ...

Easter Sunday's date changes annually due to the lunar calendar. Lent, a 40-day period of fasting and prayer for many Christians and Catholics, began on Feb. 18 and ends on the Thursday before Easter ...