DST periods of Tonga (2020 ~ 2021)
| Year | Date | Type |
| 2020 | 2020-1-19 | End of DST |
| 2020-11-1 | Start of DST |
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 | 04:57 Sat, 2020-06-06 |
Time zones to be used in Tonga
| Offset | Time Zone | Commences |
| UTC +14:00 | +14 | 2020-11-01 |
Time of Cities in Tonga
+13 (UTC +13:00)
| City | Time |
|---|---|
| Tongatapu | 04:57 Sat, 2020-06-06 |
| City | Time |
|---|---|
| Nukuʻalofa | 04:57 Sat, 2020-06-06 |