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In Tonga, there is only one time zone in use: +13 (UTC+13). Time in Tonga does not change because it does not observe Daylight Saving Time.
For comparing the current time in Tonga and United Kingdom or any other country combination, visit time comparison. For an introduction to UTC and world time, read UTC by country. Time changes in Tonga are shown below by city, state or region.
| Regions | Standard Time | Daylight Saving Time | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time zone | 2025 | 2026 | 2027 | Time zone | 2025 | 2026 | 2027 | |||
| +13 (UTC+13) | UTC+13 all year long | No Daylight Saving Time | |||||||
The information in this page comes from data published in the Time Zone Database managed by the Internet Assigned Numbers Authority (IANA).
| Year | Time zone Abbreviation | UTC Offset | Time zone Name | Daylight Saving Time | Begins (local time) |
|---|---|---|---|---|---|
| 2017 | +13 | UTC+13 | no | Sunday, January 15 2017, 03:00 AM | |
| 2016 | +14 | UTC+14 | yes | Sunday, November 6 2016, 02:00 AM | |
| 2002 | +13 | UTC+13 | no | Sunday, January 27 2002, 02:00 AM | |
| 2001 | +14 | UTC+14 | yes | Sunday, November 4 2001, 02:00 AM | |
| 2001 | +13 | UTC+13 | no | Sunday, January 28 2001, 02:00 AM | |
| 2000 | +14 | UTC+14 | yes | Sunday, November 5 2000, 02:00 AM | |
| 2000 | +13 | UTC+13 | no | Sunday, March 19 2000, 03:00 AM | |
| 1999 | +14 | UTC+14 | yes | Thursday, October 7 1999, 02:00 AM | |
| 1961 | +13 | UTC+13 | no | Sunday, January 1 1961, 12:00 AM | |
| 1945 | +1220 | UTC+12:20 | no | Monday, September 10 1945, 12:00 AM |