Tonga public holidays in September 2026
Official non-working public holidays in Tonga, 2026.
Tonga, 2026 — September
1 public holidays
| Date | Holiday | Weekday | When | Type |
|---|---|---|---|---|
| 17 September | Birthday of the Heir to the Crown of Tonga | Thursday | in 13 days | Public holiday |
Working days in 2026
- Working days in 2026: 253
- Free days in 2026: 112
- Public holidays in 2026: 11
A free day is a Saturday, a Sunday or a public holiday — one rule on every page of this site.