the lunisolar calendar governing the religious life of Hindus; an extra month is inserted after every month in which there are two new moons (once every three years).
兴都教徒的阴阳历法;当一个月有两个新月后(每三年一次)加多一个月份。
lunisolar calendar
阴阳历
「Chinese calendar:The traditional lunisolar calendar of the Chinese people, based on 24 seasonal segments each about 15 days long. an intercalary month is occasionally necessary to reconcile the lunar year with the solar year.」