Ottawa on 15 October 2026: sunrise 07:19, sunset 18:17, day length 10 h 58 min.
| Fact | Value |
|---|---|
| Time zone | America/Toronto |
| Offset | UTC-4 |
| Region | Ontario |
| Latitude | 45.4112 |
| Longitude | -75.6981 |
| Population | 1,017,449 |
The next clock change in Ottawa is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.
| Fact | Value |
|---|---|
| Longest day | 21 June 2026, 15 h 40 min |
| Shortest day | 21 December 2026, 8 h 43 min |
| Earliest sunrise | 05:13 on 15 June 2026 |
| Latest sunset | 20:55 on 26 June 2026 |
| Golden hour on the longest day | 21 June morning 05:14 to 06:00, evening 20:09 to 20:54 |
| Date | Holiday |
|---|---|
| 11 November 2026 | Remembrance Day |
| 25 December 2026 | Christmas Day |
| 26 December 2026 | Boxing Day |
| City | 09:00 to 17:00 |
|---|---|
| London | Ottawa 09:00 to 12:00; London 14:00 to 17:00 |
| New York | Ottawa 09:00 to 17:00; New York 09:00 to 17:00 |