A calendar notation in which the date is represented by one number. For example, the Julian date for December 11, 1942 is 2430705; while December 12, 1942 is 2430706. The Julian date is widely ...

Easter is fast approaching. Here's a look at why the date of Easter changes every year and what to know about the holiday.

Every four years, an extra day is added to the calendar, But even with leap day, the math doesn't exactly, well, math.

The original Roman calendar divided the year from March to December into 10 months of either 29 or 31 days, based on lunar ...

During an ecumenical prayer service at St. Paul Outside the Walls to mark the end of the Week of Prayer for Christian Unity, ...

Pope Francis reaffirms Catholic Church's willingness to accept a common date for Easter in the West and East, highlighting ...

"I try to keep it running." Bowan is one of the many Orthodox Christians who celebrate the holiday according to the Julian Calendar. A part of his life he's always embraced. "This is what I was ...

The Western world celebrates New Year's Day on the first of January, though that was not always the case, and it took at least two major calendrical reforms in as many millennia to cement Jan. 1 ...