DST of Tongatapu in 2025
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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At Sun Jan 19 03:00:00 2025, clocks in Tongatapu are turned backward 1 hour to Sun Jan 19 02:00:00 2025 to end DST
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At Sun Nov 2 02:00:00 2025, clocks in Tongatapu are turned forward 1 hour to Sun Nov 2 03:00:00 2025 to start DST
DST of Tongatapu Over Years
| Year | Commences | Abbreviations | Time Change | Offset After |
| 2020 | 01-19, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-01, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2021 | 01-17, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-07, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2022 | 01-16, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-06, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2023 | 01-15, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-05, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2024 | 01-21, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-03, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2025 | 01-19, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-02, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2026 | 01-18, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-01, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2027 | 01-17, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-07, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2028 | 01-16, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-05, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 | |
| 2029 | 01-21, Sun 02:00 |
+14 -> +13 | 1 hour backward (end of DST) | UTC+1300 |
| 11-04, Sun 03:00 |
+13 -> +14 | 1 hour forward (start of DST) | UTC+1400 |
