Sunset in Ottawa today
September 11, 2026 · Ottawa, Canada
Capital812,129 people
Sunset in Ottawa today is at 19:24. Day length is 12h 47m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Ottawa's coordinates and updated daily.
Ottawa lies at 45°N. In Ottawa, day length ranges from 8h 43m in winter to 15h 40m in summer — a swing of about 6h 58m.
The sun goes down towards the west in Ottawa today, at a bearing of 277°. Civil twilight then lasts another 30 minutes before it gets properly dark. The sun sets 13 minutes earlier in Ottawa than in Toronto, 352 km to the west-southwest.
The time of sunset slides later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Ottawa.
The longest day in Ottawa is around 15h 40m (around June 21). The shortest is around 8h 43m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
Sunset in Ottawa by month
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:45 | 07:40 | 9h 5m |
| February | 17:29 | 07:07 | 10h 22m |
| March | 19:07 | 07:18 | 11h 49m |
| April | 19:47 | 06:20 | 13h 27m |
| May | 20:25 | 05:35 | 14h 51m |
| June | 20:53 | 05:15 | 15h 39m |
| July | 20:50 | 05:28 | 15h 21m |
| August | 20:14 | 06:03 | 14h 11m |
| September | 19:18 | 06:41 | 12h 37m |
| October | 18:21 | 07:18 | 11h 3m |
| November | 16:35 | 07:01 | 9h 34m |
| December | 16:21 | 07:36 | 8h 45m |