| 1 Jan, 2023 (Sun) | New Year's Day | National holiday |
| 6 Jan, 2023 (Fri) | Epiphany | Observance |
| 2 Feb, 2023 (Thu) | Anniversary of Tartu Peace Treaty | Observance |
| 24 Feb, 2023 (Fri) | Independence Day | National holiday |
| 14 Mar, 2023 (Tue) | Mother Tongue Day | Observance |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 7 Apr, 2023 (Fri) | Good Friday | National holiday |
| 9 Apr, 2023 (Sun) | Easter Sunday | National holiday |
| 1 May, 2023 (Mon) | Labor Day | National holiday |
| 14 May, 2023 (Sun) | Mothers' Day | Observance |
| 28 May, 2023 (Sun) | Pentecost | National holiday |
| 4 Jun, 2023 (Sun) | Flag Day | Observance |
| 14 Jun, 2023 (Wed) | Day of Mourning | Observance |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 23 Jun, 2023 (Fri) | Victory Day | National holiday |
| 24 Jun, 2023 (Sat) | Midsummer Day | National holiday |
| 20 Aug, 2023 (Sun) | Independence Restoration Day | National holiday |
| 23 Aug, 2023 (Wed) | Day of Remembrance for Victims of Communism and Nazism | Observance |
| 10 Sep, 2023 (Sun) | Grandparents' Day | Observance |
| 22 Sep, 2023 (Fri) | Resistance Day | Observance |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 21 Oct, 2023 (Sat) | Finno-Ugric Day | Observance |
| 2 Nov, 2023 (Thu) | All Soul's Day | Observance |
| 12 Nov, 2023 (Sun) | Father's Day | Observance |
| 16 Nov, 2023 (Thu) | Day of Declaration of Sovereignty | Observance |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 24 Dec, 2023 (Sun) | Christmas Eve | National holiday |
| 25 Dec, 2023 (Mon) | Christmas Day | National holiday |
| 26 Dec, 2023 (Tue) | Boxing Day | National holiday |
