| Date | Name | Status |
|---|---|---|
| 1/1 Mon | New Year's Day | Confirmed |
| 3/29 Fri | Good Friday | Confirmed |
| 4/1 Mon | Easter Monday | Confirmed |
| 4/25 Thu | Anzac Day | Confirmed |
| 6/3 Mon | Emancipation Day (observed) Substitute | Confirmed |
| 7/4 Thu | Birthday of the Reigning Sovereign of Tonga | Confirmed |
| 9/17 Tue | Birthday of the Heir to the Crown of Tonga | Confirmed |
| 11/4 Mon | Constitution Day | Confirmed |
| 12/2 Mon | Anniversary of the Coronation of HM King George Tupou I (observed) Substitute | Confirmed |
| 12/25 Wed | Christmas Day | Confirmed |
| 12/26 Thu | Boxing Day | Confirmed |