Babylonian Calendar

Calendar Systems

The Babylonian calendar was lunar with 12 months, each named after deities and featuring astronomical observations.

Worldwide Lunar Months

Month of Nisannu, new year

Month of Ayyaru, opening

Month of Simanu, appointed time

Month of Du'uzu, shepherd

Month of Abu, father

Month of Ululu, ear of corn

Month of Tashritu, beginning

Month of Arakhsamna, eighth

Month of Kislimu, waiting

Month of Tebetu, mud brick

Month of Shabatu, rest

Month of Addaru, dark month