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 ...

A 13th-century manuscript sits under glass, its bark-paper pages filled with vivid glyphs and cryptic figures, in a quiet ...

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 ...

pt. 1. Calendar in theory -- ch. 1. Calendar -- ch. 2. Astronomical background -- ch. 3. Time and the clock -- ch. 4. Writing and libraries -- ch. 5. Numbers and ...

Calendars have always been essential in our world — and right now is no different. The Calendar is essential to almost everything we do in life. Every appointment and every meeting has a timeframe ...

Thirty-five years ago, Quabbin Reservoir enthusiast J.R. Greene created his first Quabbin History Calendar, an annual visual tribute to the “lost towns” of Dana, Enfield, Greenwich and Prescott that ...