Time in Ottawa now:
Timezone
Atomic clock accuracy
Difference from your location
Ottawa is the same time as you
Sun
Moon
Geography
Time difference from Ottawa
| City | Local time | Difference |
|---|
Working hours overlap
9–17 in Ottawa vs UTC
Time converter
Type 9am, 21:00, noon, 9am tomorrow, or in 3 hours.
Next 14 days
Upcoming public holidays
- Civic Holiday3 Aug 2026
- Labour Day7 Sept 2026
- National Day for Truth and Reconciliation30 Sept 2026
- Thanksgiving12 Oct 2026
- Halloween31 Oct 2026
Weather
Climate & seasons
About Ottawa
Home to roughly 934,243 residents, Ottawa is a notable city in Canada. The city sits at 70 m above sea level, close to sea level, with maritime influence on its weather.
Ottawa keeps time on the America/Toronto IANA zone, an identifier the system uses to handle every historical and future offset change without ambiguity. Lying in the northern hemisphere within the temperate belt, the city experiences a daylight pattern and seasonal arc characteristic of its latitude (45.42°).
Canada's currency is CAD and its calling prefix is +1. Beyond the live clock, every datapoint on this page — sun events, holidays, time-zone offsets — is also available as machine-readable JSON, ready for agents and integrations.
Nearest major cities
Cities in the same timezone
Questions about time in Ottawa
The current local time in Ottawa, Canada is shown live at the top of this page, synchronized to atomic time to the millisecond.
Ottawa uses the IANA time zone America/Toronto, currently UTC−4.
Whether Ottawa observes daylight saving time and the date of the next clock change are shown in the Timezone block above. The IANA database (America/Toronto) is the source of truth.
Ottawa is currently in the same time as New York.
Ottawa is currently 5 hours behind London.
Sunrise, sunset, solar noon, and civil/nautical/astronomical twilight times for Ottawa are listed in the Sun section above, computed from the city's coordinates (45.4215, -75.6972).
Canada uses the CAD currency and the +1 international dialing code.
Ottawa sits at 45.4215° N, 75.6972° W, 70 m above sea level, in Canada.