Information about legal national holidays across the globe.
Weekend holidays are displayed in gray.
| 2021 Day | Public Holiday |
| Friday, January 01 | International New Year Day |
| Thursday, January 07 | Day of Victory over the Genocidal Regime |
| Monday, March 08 | International Women's Rights Day |
| Wednesday, April 14 | Khmer New Year's Day |
| Thursday, April 15 | Khmer New Year's Day (day 2) |
| Friday, April 16 | Khmer New Year's Day (day 3) |
| Monday, April 26 | Visaka Bochea Day |
| Friday, April 30 | Royal Ploughing Ceremony |
| Saturday, May 01 | International Labor Day |
| Friday, May 14 | HM King Norodom Sihamoni's Birthday |
| Friday, June 18 | HM Queen Norodom Monineath Sihanouk the Queen-Mother's Birthday |
| Friday, September 24 | Constitution Day |
| Tuesday, October 05 | Pchum Ben Day |
| Wednesday, October 06 | Pchum Ben Day (day 2) |
| Thursday, October 07 | Pchum Ben Day (day 3) |
| Friday, October 15 | HM King Norodom Sihanouk Mourning Day |
| Friday, October 29 | HM King Norodom Sihamoni's Coronation Day |
| Tuesday, November 09 | National Independence Day |
| Thursday, November 18 | Water Festival |
| Friday, November 19 | Water Festival (day 2) |
| Saturday, November 20 | Water Festival (day 3) |