| 1 Jan, 2023 (Sun) | New Year's Day | Public holiday |
| 5 Jan, 2023 (Thu) | Twelfth Night | De facto half holiday |
| 6 Jan, 2023 (Fri) | Epiphany | Public holiday |
| 14 Feb, 2023 (Tue) | Valentine's Day | Observance |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 26 Mar, 2023 (Sun) | Daylight Saving Time starts | Clock change/Daylight Saving Time |
| 7 Apr, 2023 (Fri) | Good Friday | Public holiday |
| 8 Apr, 2023 (Sat) | Holy Saturday | De facto holiday |
| 9 Apr, 2023 (Sun) | Easter Sunday | Public holiday |
| 10 Apr, 2023 (Mon) | Easter Monday | Public holiday |
| 30 Apr, 2023 (Sun) | Walpurgis Night | De facto half holiday |
| 1 May, 2023 (Mon) | May 1st | Public holiday |
| 18 May, 2023 (Thu) | Ascension Day | Public holiday |
| 27 May, 2023 (Sat) | Whit Saturday | De facto holiday |
| 28 May, 2023 (Sun) | Whit Sunday | Public holiday |
| 28 May, 2023 (Sun) | Mother's Day | Observance |
| 6 Jun, 2023 (Tue) | National day | Public holiday |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 23 Jun, 2023 (Fri) | Midsummer Eve | De facto and Bank holiday |
| 24 Jun, 2023 (Sat) | Midsummer Day | Public holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 29 Oct, 2023 (Sun) | Daylight Saving Time ends | Clock change/Daylight Saving Time |
| 3 Nov, 2023 (Fri) | All Saints' Eve | De facto half holiday |
| 4 Nov, 2023 (Sat) | All Saints' Day | Public holiday |
| 12 Nov, 2023 (Sun) | Father's Day | Observance |
| 3 Dec, 2023 (Sun) | First Advent Sunday | Observance, Christian |
| 10 Dec, 2023 (Sun) | Second Advent Sunday | Observance, Christian |
| 17 Dec, 2023 (Sun) | Third Advent Sunday | Observance, Christian |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 24 Dec, 2023 (Sun) | Christmas Eve | De facto holiday |
| 24 Dec, 2023 (Sun) | Fourth Advent Sunday | Observance, Christian |
| 25 Dec, 2023 (Mon) | Christmas Day | Public holiday |
| 26 Dec, 2023 (Tue) | Boxing Day | Public holiday |
| 31 Dec, 2023 (Sun) | New Year's Eve | De facto and Bank holiday |
