Khmer Calendar 2040 — lunar dates, Cambodian public holidays, Buddhist holy days, and observances for every month of 2040.

The Khmer calendar for 2040 shows all 12 months with lunar dates, Thngai Sil holy days, and major Cambodian holidays. This year lists 148 calendar events — including Khmer New Year (starting April 14), Pchum Ben, Visak Bochea, and the Water Festival. The busiest months are September, October, December. Pick a month below, then open any highlighted day for full lunar detail (lunar day, moon phase, animal year, B.E.). Confirm workplace closures against the official circular.

By Khmer Calendar editorial · Updated 2026-09-26 · About

What are the key holidays in 2040?

Khmer New Year in mid-April, Pchum Ben (Sep/Oct), the Water Festival (Oct/Nov), and Visak Bochea. The month cards above show per-month event counts.

Which months have the most events?

September, October, December have the most calendar events in 2040. Open a month to see its holiday and holy-day list.

Are these dates official?

This page is a planning aid. Lunar dates come from our Khmer calendar engine; civil closures can change by government notice — confirm against the official circular.

Month-by-month festivals in 2040

Holidays, observances, Thngai Sil holy days, and Kan Ben for each month. Open any entry for full lunar detail, or open the month for the complete calendar.

2040 has 22 public holidays · 69 observances · 63 holy days

April 2040 · Chet - Pisak · B.E. 2584

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June 2040 · Jais - Pathamasath · B.E. 2584

View June calendar →

July 2040 · Pathamasath - Dutiyasath · B.E. 2584

View July calendar →

September 2040 · Srapon - Photroboth · B.E. 2584

View September calendar →

October 2040 · Photroboth - Assoch · B.E. 2584

View October calendar →

November 2040 · Assoch - Kadeuk · B.E. 2584

View November calendar →

December 2040 · Kadeuk - Mikasey · B.E. 2584

View December calendar →