For productivity and organization, nothing can replace a comprehensive calendar. In addition to their many specialized features, calendars come in a wide variety of shapes and sizes. The challenge is ...

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 ...

Happy Lunar New Year! According to the Chinese lunisolar calendar, the new year began Saturday. For many, like our host Regina G. Barber, this... The science and shared history behind the Gregorian ...

Until recently, Advent calendars were predictable – a basic cardboard box with a piece of barely passable chocolate behind each numbered flap. How did this quiet holiday tradition explode into a ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Traditionally, Advent calendars countdown the days until ...