In the Northern Hemisphere, the vernal or spring equinox, typically occurs between March 19 and 21, while the autumnal or ...

Many calendars are based on the skies too ... This led the scribes to study astronomy. The foundation of Babylonian astronomy was kept in a book called MUL.APIN, meaning “The Plough Star,” the name of ...

Since ancient times, humans have always relied on calendars to keep track of schedules and important events. This staple has been through a massive evolution since the days of the Babylonian ...