Ottawa uses America/Toronto — UTC-05:00 (EST) in standard time and UTC-04:00 (EDT) during daylight saving time. It is located in Ontario, Canada. The live clock shows the current local time and updates every second.
Everything you need to know about Ottawa's time zone, UTC offset, and Daylight Saving Time schedule.
Ottawa uses UTC-05:00 in standard time. This is the offset used outside the daylight saving period.
UTC-04:00 (EDT) during daylight saving time. Clocks move forward one hour in spring and back one hour in autumn.
The official IANA time zone name for Ottawa is America/Toronto. This identifier is used in programming, operating systems and calendar applications worldwide.
Spring forward: 08 March 2026 at 02:00 → 03:00
Fall back: 01 November 2026 at 02:00 → 01:00
Spring forward: 14 March 2027 at 02:00 → 03:00
Fall back: 07 November 2027 at 02:00 → 01:00
Spring forward: 12 March 2028 at 02:00 → 03:00
Fall back: 05 November 2028 at 02:00 → 01:00
Spring forward: 11 March 2029 at 02:00 → 03:00
Fall back: 04 November 2029 at 02:00 → 01:00
Toronto, Montreal, Mississauga, Brampton, Hamilton
Currency: Canadian Dollar (CAD). Calling code: +1. Languages: English, French.
Ottawa ( , ; Canadian French: [ɔtawɑ] ) is the capital city of Canada. It is located in the southeastern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR).
As of 2021, Ottawa had a city population of 1,017,449 and a metropolitan population of 1,488,307, making it the second-largest city and second most-populous metropolitan area in Ontario, and the fourth-largest city and fourth-largest metropolitan area in Canada.
Ottawa is the political centre of Canada and the headquarters of the federal government. The city houses numerous foreign embassies, key buildings, organizations, and institutions of Canada's government; these include the Parliament of Canada, the Supreme Court, the residence of Canada's viceroy, and the Office of the Prime Minister.
Founded in 1826 as "Bytown", incorporated in 1850, and renamed "Ottawa" in 1855, its original boundaries were expanded through numerous annexations and were ultimately replaced by a new city incorporation and amalgamation in 2001. The municipal government...
Source: Wikipedia contributors — Ottawa. Adapted text is available under CC BY-SA 4.0; see licence details. Reviewed by the TimeZoria AI Editorial Team.
1,017,449 residents (GeoNames city population; metro areas may be larger).
Ontario, Canada.
America/Toronto · UTC-05:00 (EST).
Observes DST.
Canadian Dollar (CAD) · +1.
Gatineau, Laval, Montreal
Ottawa Macdonald-Cartier International Airport (YOW) about 10.1 km from the city coordinates. Source: OurAirports (public domain).
2024 averages: daily highs 13.2°C and lows 4.1°C. Warmest month: July (average high 26.6°C); coolest month: January (average low -10.4°C). Source: Open-Meteo (CC BY 4.0).
As of 2016, the region of Ottawa-Gatineau has the sixth-highest total household income of all Canadian metropolitan areas ($82,053), and the Ontario portion more directly overlapping the City of Ottawa has a higher household income ($86,451). The median household income after taxes in the City of Ottawa is $88,000 in 2021 was higher than the national median of $73,000. Source: Wikipedia contributors · CC BY-SA 4.0 (adapted).
Region: Ontario · IANA zone: America/Toronto · Open data sources and licence details: TimeZoria AI licenses.
Current time in major cities compared to Ottawa. Times update live every second.
Note on DST transitions: The offsets shown above reflect the current live offset, which changes twice a year due to Daylight Saving Time. Different regions change their clocks on different dates, which means the difference between Ottawa and another city can vary by 1 hour for a short period in spring and autumn. Always verify the exact time difference around DST transition dates for critical scheduling.
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Ottawa's time zone affects business hours, travel plans and international calls. The America/Toronto zone is used for local scheduling, transport and everyday life in Ontario.
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Common questions about Ottawa's time zone, UTC offset, and DST.