| 1 Jan, 2023 (Sun) | New Year's Day | National Holiday |
| 2 Jan, 2023 (Mon) | New Year Holiday | National Holiday |
| 7 Jan, 2023 (Sat) | Orthodox Christmas Day | National Holiday |
| 14 Feb, 2023 (Tue) | Valentine's Day | Observance |
| 23 Feb, 2023 (Thu) | Defender of the Fatherland Day | Observance |
| 8 Mar, 2023 (Wed) | Women's Day | National Holiday |
| 15 Mar, 2023 (Wed) | Constitution Day | Observance |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 2 Apr, 2023 (Sun) | Union Day of Belarus and Russia | Observance |
| 9 Apr, 2023 (Sun) | Catholic Easter Sunday | Observance |
| 16 Apr, 2023 (Sun) | Orthodox Easter Sunday | Observance, Orthodox |
| 24 Apr, 2023 (Mon) | Radonitsa Holiday | National Holiday |
| 25 Apr, 2023 (Tue) | Radonitsa | National Holiday |
| 26 Apr, 2023 (Wed) | Day of Remembrance of the Chernobyl Tragedy | Observance |
| 29 Apr, 2023 (Sat) | Special Working Day | Working day on weekend |
| 1 May, 2023 (Mon) | Labour Day | National Holiday |
| 8 May, 2023 (Mon) | Public Holiday | National Holiday |
| 9 May, 2023 (Tue) | Victory Day | National Holiday |
| 13 May, 2023 (Sat) | Special Working Day | Working day on weekend |
| 14 May, 2023 (Sun) | Day of the National Emblem and Flag of Belarus | Observance |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 22 Jun, 2023 (Thu) | Remembrance Day of Victims of the Great Patriotic War | Observance |
| 3 Jul, 2023 (Mon) | Independence Day of the Republic of Belarus | National Holiday |
| 6 Jul, 2023 (Thu) | Kupalle (Day 1) | Observance |
| 7 Jul, 2023 (Fri) | Kupalle (Day 2) | Observance |
| 17 Sep, 2023 (Sun) | National Unity Day | Observance |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 14 Oct, 2023 (Sat) | Mothers' Day | Observance |
| 21 Oct, 2023 (Sat) | Fathers' Day | Observance |
| 2 Nov, 2023 (Thu) | Remembrance Day | Observance |
| 6 Nov, 2023 (Mon) | October Revolution Day Holiday | National Holiday |
| 7 Nov, 2023 (Tue) | October Revolution Day | National Holiday |
| 11 Nov, 2023 (Sat) | Special Working Day | Working day on weekend |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 25 Dec, 2023 (Mon) | Catholic Christmas Day | National Holiday |
| 31 Dec, 2023 (Sun) | New Year's Eve | Observance |
