January wasn’t always the first month of the year—and in some places, it still isn’t.That simple fact explains why calendars ...

With December just a couple of weeks away, the holiday season is truly upon us. While tradition dictates that you should start an Advent Calendar on Dec. 1 and continue with it every day until Dec. 25 ...

Our civilization relies on calendars to organize and measure time. Culture, religion, and astronomy have all influenced calendars throughout history. Calendars have a fascinating history, dating back ...