Time zones currently being used in Tonga
Tonga is currently using 1 time zone , +13
| Offset | Time Zone | Example City | Current Time |
| UTC +13:00 | +13 | Tongatapu | 21:21 Tue, 2025-09-16 |
Time zones to be used in Tonga
| Offset | Time Zone | Commences |
| UTC +14:00 | +14 | 2025-11-02 |
Time of Cities in Tonga
+13 (UTC +13:00)
| City | Time |
|---|---|
| Tongatapu | 21:21 Tue, 2025-09-16 |
| City | Time |
|---|---|
| Nukuʻalofa | 21:21 Tue, 2025-09-16 |