Troll Station time zone history
Its seasonal clock changes since 1970 include moves of 2 hours, not the usual hour. Seasonal clock changes began only in 2005 and are still in use.
UTC+0
Standard time is UTC+0; clocks go forward to UTC+2 on the last Sunday in March and back on the last Sunday in October.
Summer time in 22 of 57 years since 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| February 12, 2005 | First local time in the record | UTC+0 | numeric only |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| 2005–2037 | last Sunday in March, 01:00 | last Sunday in October, 03:00 | 2 hours |
Clock changes in 2026, 2027 and 2028
The clocks go forward 2 hours on March 29, 2026, March 28, 2027 and March 26, 2028 at 01:00 and back 2 hours on October 25, 2026, October 31, 2027 and October 29, 2028 at 03:00, local time.
Also on UTC+0
São Tomé and Príncipe, Côte d’Ivoire, Liberia, Guinea-Bissau, Western Sahara, Canary Islands (Spain), Madeira (Portugal), Morocco, Lisbon (Portugal) and United Kingdom (nearest first; 2 more on the list of offsets).
Clocks next door since 1970
- Mawson Station (2,263 km): usually 6 hours ahead; different on 7,348 days in 2005–2026; 5 hours ahead today.
- Rothera Station (2,596 km): usually 3 hours behind; different on 7,230 days in 1970–1976 and 2005–2026.
- Vostok Station (2,625 km): usually 7 hours ahead; different on 5,458 days in 1994 and 2005–2026; 5 hours ahead today.
- Davis Station (2,665 km): usually 7 hours ahead; different on 4,956 days in 2005–2026.
- Palmer Station (2,681 km): usually 3 hours behind; different on 9,620 days in 1974 and 1982–2026.
How it compares
Standard time has stayed at UTC+0 since 2005.
On standard time, clocks in Troll Station run 10 minutes behind local mean solar time.