lunar calendar
solar calendar
The dates of the Thingyan festival are calculated according to the traditional Burma lunisolar calendar and hence have no fixed Roman calendar equivalent.
A leap year is a year containing one or more extra days or, in the case of lunisolar calendars, an extra month.
The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months each beginning when a new crescent moon was first sighted.
SMART Vocabulary: related words and phrases
The calendar
lunar calendar
solar calendar