Jewish Moon Calendar. The months and years of the jewish calendar are established by the cycles of the moon and the sun. The jewish calendar is both solar and lunar, consisting of 12 months of either 29 or 30 days.

A worldwide jewish calendar providing shabbat and festival times, weekly parshah, jewish history, bar mitzvah, bat mitzvah, barmitzvah, batmitzvah, zmanim, sunrise, sunset and moon. You can also download free digital jewish calendar apps for your mobile device at apple’s app store or google play.