London is 5 hours ahead of Columbia. Columbia is UTC-4. London is UTC+1.
Columbia on 15 October 2026: sunrise 07:29, sunset 18:49, day length 11 h 21 min.
London on 15 October 2026: sunrise 07:24, sunset 18:07, day length 10 h 43 min.
For Columbia and London: The next clock change in Columbia is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.
For London and Columbia: 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 1 November 2026 at 02:00, when clocks in Columbia move back 1 hour. |
| The gap changes on 14 March 2027 at 02:00, when clocks in Columbia move forward 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 Columbia | Columbia 09:00 to 12:00; London 14:00 to 17:00 |
| From London | London 14:00 to 17:00; Columbia 09:00 to 12:00 |
| Columbia | London |
|---|---|
| 00:00 | 05:00 |
| 01:00 | 06:00 |
| 02:00 | 07:00 |
| 03:00 | 08:00 |
| 04:00 | 09:00 |
| 05:00 | 10:00 |
| 06:00 | 11:00 |
| 07:00 | 12:00 |
| 08:00 | 13:00 |
| 09:00 | 14:00 |
| 10:00 | 15:00 |
| 11:00 | 16:00 |
| 12:00 | 17:00 |
| 13:00 | 18:00 |
| 14:00 | 19:00 |
| 15:00 | 20:00 |
| 16:00 | 21:00 |
| 17:00 | 22:00 |
| 18:00 | 23:00 |
| 19:00 | 00:00 (next day) |
| 20:00 | 01:00 (next day) |
| 21:00 | 02:00 (next day) |
| 22:00 | 03:00 (next day) |
| 23:00 | 04:00 (next day) |
| City | Longest day | Shortest day |
|---|---|---|
| Columbia with London | 21 June 2026, 14 h 25 min | 21 December 2026, 9 h 53 min |
| London with Columbia | 21 June 2026, 16 h 38 min | 21 December 2026, 7 h 50 min |
| City | Date | Holiday |
|---|---|---|
| Columbia and London | 11 November 2026 | Veterans Day |
| Columbia and London | 26 November 2026 | Thanksgiving Day |
| London and Columbia | 25 December 2026 | Christmas Day |
| London and Columbia | 26 December 2026 | Boxing Day |