| 1 Jan, 2023 (Sun) | New Year | Public Holiday |
| 7 Jan, 2023 (Sat) | Victory over Genocide Day | Public Holiday |
| 8 Mar, 2023 (Wed) | International Women Day | Public Holiday |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 14 Apr, 2023 (Fri) | Khmer New Year Day (Day 1) | Public Holiday |
| 15 Apr, 2023 (Sat) | Khmer New Year Day (Day 2) | Public Holiday |
| 16 Apr, 2023 (Sun) | Khmer New Year Day (Day 3) | Public Holiday |
| 1 May, 2023 (Mon) | Labour Day | Public Holiday |
| 4 May, 2023 (Thu) | Visak Bochea Day | Public Holiday |
| 8 May, 2023 (Mon) | Royal Plowing Ceremony | Public Holiday |
| 14 May, 2023 (Sun) | King's Birthday | Public Holiday |
| 18 Jun, 2023 (Sun) | King's Mother's Birthday | Public Holiday |
| 22 Jun, 2023 (Thu) | June Solstice | Season |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 24 Sep, 2023 (Sun) | Constitutional Day | Public Holiday |
| 13 Oct, 2023 (Fri) | Pchum Ben Festival | Public Holiday |
| 14 Oct, 2023 (Sat) | Pchum Ben Festival | Public Holiday |
| 15 Oct, 2023 (Sun) | Pchum Ben Festival | Public Holiday |
| 15 Oct, 2023 (Sun) | Commemoration Day of King's Father | Public Holiday |
| 29 Oct, 2023 (Sun) | King's Coronation Day | Public Holiday |
| 9 Nov, 2023 (Thu) | Independence Day | Public Holiday |
| 26 Nov, 2023 (Sun) | Water Festival Ceremony (Day 1) | Public Holiday |
| 27 Nov, 2023 (Mon) | Water Festival Ceremony (Day 2) | Public Holiday |
| 28 Nov, 2023 (Tue) | Water Festival Ceremony (Day 3) | Public Holiday |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
