How Many Months In The Lunar Calendar. Ancient chinese zodiac the chinese calendar is divided into 12 lunar months of 29 or 30 days (an astronomical lunar month is 29 days, 12 hours, 44 minutes. The calendar consists of lunar months, each beginning with a new moon.

A lunar calendar has been devised using the moon to determine the days and months. There are 12 months on a lunar calendar, each with 29 or 30 days.