A lunar calendar is a calendar that is based on the different phases of moon in a month. A lunar cycle completes in 29.5 days or i.e., one revolution of moon around the earth. You need to understand that there are different types of Astro calendars. The Lunar Calendar is a beautiful tool to visualize the pattern between one's body and the phases of the moon. Understand astral aspect of your body, buy best lunar calendar 2022 today.