| Date | Name | Status |
|---|---|---|
| 1/1 Sat | New Year's Day | Confirmed |
| 4/14 Fri | Good Friday | Confirmed |
| 4/17 Mon | Easter Monday | Confirmed |
| 4/25 Tue | Anzac Day | Confirmed |
| 6/5 Mon | Emancipation Day (observed) Substitute | Confirmed |
| 7/4 Tue | Birthday of the Reigning Sovereign of Tonga | Confirmed |
| 9/17 Sun | Birthday of the Heir to the Crown of Tonga | Confirmed |
| 9/18 Mon | Birthday of the Heir to the Crown of Tonga (observed) Substitute | Confirmed |
| 11/6 Mon | Constitution Day (observed) Substitute | Confirmed |
| 12/4 Mon | Anniversary of the Coronation of HM King George Tupou I | Confirmed |
| 12/25 Mon | Christmas Day | Confirmed |
| 12/26 Tue | Boxing Day | Confirmed |