East Asian and Islamic customs use a lunar calendar that is based on the cycles of the moon.
The Gregorian and Persian calendars are two examples that are based on the position of the sun.
Jewish religious and cultural holidays are observed according to a lunisolar calendar.
Hindu festivals, astrology, and local events are guided by the lunar calendar in India.
Traditional holidays such as Chinese New Year and birthdays are celebrated on the Lunar calendar.
Islamic religious holidays like Eid and Ramadan are observed on a calendar that is solely lunar in nature.
The intricate cycles of the ancient Mesoamerican Mayan calendar tracked astronomical occurrences and time.