How to read today's Khmer date
By Khmer Calendar editorial · Last updated 2026-09-26
Original guide: how to read a Khmer lunar date — weekday, waxing/waning day, lunar month, animal year, Sak era, and Buddhist Era — with written and numeric formats used on khmer-calendar.com.
Khmer calendar
The Khmer system runs on two tracks at once: a moon-based ritual count next to a sun-based civil count, and everyday life in Cambodia leans on the solar side. The lunar side normally holds twelve months, though every two or three years an extra eighth-month is inserted, giving thirteen months in that year. Lunar months alternate between twenty-nine and thirty days. A plain lunar year therefore holds about three hundred fifty-four days, rising to about three hundred eighty-four with the added month, and a leap-day rule borrowed from the Gregorian system can push those totals to three hundred fifty-five or three hundred eighty-five.
Observance days
In Cambodia's Theravada practice the rhythm follows the moon rather than a fixed weekday. Depending on era and local custom, communities keep between two and six observance days in one lunar month. Most commonly people gather around the four moon turning-points — new moon, full moon and the two half-moons — so roughly once a week. Some wats emphasize only the new-moon and full-moon days. Those two carry special weight because monks and nuns assemble to rehearse the monastic code.