These graphics explain why Easter Sunday changes each year based on ancient interpretations of the solar and lunar cycles.

Julius Caesar was believed to have messed up the months in a year, but was trying to fix the solar calendar, resulting in one ...

S ome years seem to zip by in the blink of an eye, while others seem to drag on for far longer. But some, like leap years, can last a little longer than usual. And then there's 46 BCE, which lasted ...

“In the Julian Calendar, as in the Hindu calendar, the new year began with the spring equinox around April 1,” the History Channel says. “People who were slow to get the news or failed to ...

According to the Farmer's Almanac, Easter is a movable feast. With the Gregorian calendar, it is celebrated between March 21 and April 25. In the Eastern Orthodox Church, which uses the Julian ...