London is 4.5 hours behind Colombo. Colombo is UTC+5:30. London is UTC+1.
Colombo on 15 October 2026: sunrise 05:57, sunset 17:55, day length 11 h 58 min.
London on 15 October 2026: sunrise 07:24, sunset 18:07, day length 10 h 43 min.
For Colombo and London: Colombo has no clock change scheduled in the next year. The last year with a seasonal offset change was 2006. The offset now is UTC+5:30.
For London and Colombo: The next clock change in London is 1 hour back on 25 October 2026 at 02:00, from UTC+1 to UTC+0.
| Change |
|---|
| The gap changes on 25 October 2026 at 02:00, when clocks in London move back 1 hour. |
| The gap changes on 28 March 2027 at 01:00, when clocks in London move forward 1 hour. |
| The gap changes on 31 October 2027 at 02:00, when clocks in London move back 1 hour. |
| View | 09:00 to 17:00 |
|---|---|
| From Colombo | Colombo 13:30 to 17:00; London 09:00 to 12:30 |
| From London | London 09:00 to 12:30; Colombo 13:30 to 17:00 |
| Colombo | London |
|---|---|
| 00:00 | 19:30 (previous day) |
| 01:00 | 20:30 (previous day) |
| 02:00 | 21:30 (previous day) |
| 03:00 | 22:30 (previous day) |
| 04:00 | 23:30 (previous day) |
| 05:00 | 00:30 |
| 06:00 | 01:30 |
| 07:00 | 02:30 |
| 08:00 | 03:30 |
| 09:00 | 04:30 |
| 10:00 | 05:30 |
| 11:00 | 06:30 |
| 12:00 | 07:30 |
| 13:00 | 08:30 |
| 14:00 | 09:30 |
| 15:00 | 10:30 |
| 16:00 | 11:30 |
| 17:00 | 12:30 |
| 18:00 | 13:30 |
| 19:00 | 14:30 |
| 20:00 | 15:30 |
| 21:00 | 16:30 |
| 22:00 | 17:30 |
| 23:00 | 18:30 |
| City | Longest day | Shortest day |
|---|---|---|
| Colombo with London | 21 June 2026, 12 h 32 min | 22 December 2026, 11 h 43 min |
| London with Colombo | 21 June 2026, 16 h 38 min | 21 December 2026, 7 h 50 min |
| City | Date | Holiday |
|---|---|---|
| Colombo and London | 25 October 2026 | වප් පුර පසළොස්වක පෝය දිනය |
| Colombo and London | 8 November 2026 | දීපවාලි උත්සව දිනය |
| London and Colombo | 25 December 2026 | Christmas Day |
| London and Colombo | 26 December 2026 | Boxing Day |