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 ...

But when exactly Easter Sunday occurs during the season changes each year. In 2025, the holiday is April 20, which is one of ...

Imagine going to bed October 4, 1582, only to wake up the next morning and find out it was October 15. No, this was not a ...

But after the new calendar was introduced, ten days were dropped to make up for the discrepancies with the Julian calendar, and thus Christmas fell on December 25. The ten days that were dropped ...