| 1 Jan, 2023 (Sun) | New Year's Day | Public Holiday |
| 2 Jan, 2023 (Mon) | Day off for New Year's Day | Public Holiday |
| 25 Feb, 2023 (Sat) | Choiseul Province Day | Local holiday |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 7 Apr, 2023 (Fri) | Good Friday | Public Holiday |
| 8 Apr, 2023 (Sat) | Holy Saturday | Public Holiday |
| 9 Apr, 2023 (Sun) | Easter Sunday | Observance |
| 10 Apr, 2023 (Mon) | Easter Monday | Public Holiday |
| 29 May, 2023 (Mon) | Whit Monday | Observance |
| 2 Jun, 2023 (Fri) | Isabel Province Day | Local holiday |
| 8 Jun, 2023 (Thu) | Temotu Province Day | Local holiday |
| 16 Jun, 2023 (Fri) | King’s Birthday | Public Holiday |
| 22 Jun, 2023 (Thu) | June Solstice | Season |
| 29 Jun, 2023 (Thu) | Central Province Day | Local holiday |
| 7 Jul, 2023 (Fri) | Independence Day | Public Holiday |
| 20 Jul, 2023 (Thu) | Rennell and Bellona Province Day | Local holiday |
| 1 Aug, 2023 (Tue) | Gualdalcanal Province Day | Local holiday |
| 3 Aug, 2023 (Thu) | Makira-Ulawa Province Day | Local holiday |
| 15 Aug, 2023 (Tue) | Malaita Province Day | Local holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 7 Dec, 2023 (Thu) | Western Province Day | Local holiday |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 25 Dec, 2023 (Mon) | Christmas Day | Public Holiday |
| 26 Dec, 2023 (Tue) | National Day of Thanksgiving | Public Holiday |
