, is a lunisolar system that synchronizes lunar cycles with the solar year to ensure seasonal accuracy for agricultural and religious life. The Mechanics of the 1987 Khmer Calendar
From January 1, 1987, until the Khmer New Year in mid-April, the year was . khmer calendar 1987
The most sacred Buddhist holiday—marking the birth, enlightenment, and parinirvana (death) of the Buddha. It falls on the full moon of Visak (April–May). In 1987, the day was observed with candlelit processions around pagodas. In Cambodia, the government allowed limited religious gatherings, though under close monitoring. In the West, the day became a powerful symbol of cultural survival. , is a lunisolar system that synchronizes lunar
Last updated: October 2025
Bon Om Tuk marks the reversal of the Tonlé Sap River’s flow. In 1987, it fell on the full moon of Katdok (around October 27–28). In pre-war Phnom Penh, it was a massive celebration with boat races, fireworks, and a royal banquet. In 1987, the festival was modestly observed in Phnom Penh under Vietnamese-backed authorities, but in the refugee camps on the Thai border, it was a spectacular display of Khmer identity: longboats carved by hand, singing contests, and illuminated floats. It falls on the full moon of Visak (April–May)
The subsequent 14 or 15 days, leading to the dark moon. 2. The Leap Systems ( Adhikameas and Chantreameas )
Every block on the 1987 Khmer calendar pointed toward deep spiritual obligations: