12 Month Sumerian Calendar. What differentiated the sumerian calendar system from any other lunar calendars of this time, was the way they measured time. The sumerian calendar is principally centred around the lunar cycle, with each month starting on the day after a new moon.


12 Month Sumerian Calendar

In sumerian culture, the year was divided into 12 months based on the lunar cycle. Each month began with the sighting of a new moon.

12 Month Sumerian Calendar Images References :