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Current time in Ottawa, Ontario, Canada

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UTC-05:00 Eastern Standard Time EST America/Toronto
 

Ottawa, Ontario, Canada uses Eastern Standard Time (EST), UTC-05:00, with the IANA time zone America/Toronto. Ottawa observes daylight saving time: standard time is UTC-05:00 and summer time is UTC-04:00. The next change is on Sunday, March 14, 2027, when clocks go forward 1 hour.

Ottawa time-zone facts

Time zone
Eastern Standard Time
UTC offset now
UTC-05:00
IANA identifier
America/Toronto
Daylight saving time
Observed, not in effect now
Next clock change
Sunday, March 14, 2027: 2:00 a.m. → 3:00 a.m.
Country
Canada
Province
Ontario
Dialing code
+1
Coordinates
45.42° N, 75.70° W

Time difference from Ottawa

Time difference between Ottawa and major cities
City Difference When it is 9:00 in Ottawa
New York City ±0h : New York City is the same time as Ottawa 9:00 a.m.
Los Angeles -3h : Los Angeles is 3 hours behind Ottawa 6:00 a.m.
London +5h : London is 5 hours ahead of Ottawa 2:00 p.m.
Paris +6h : Paris is 6 hours ahead of Ottawa 3:00 p.m.
Dubai +9h : Dubai is 9 hours ahead of Ottawa 6:00 p.m.
New Delhi +10h 30m : New Delhi is 10 hours 30 minutes ahead of Ottawa 7:30 p.m.
Singapore +13h : Singapore is 13 hours ahead of Ottawa 10:00 p.m.
Tokyo +14h : Tokyo is 14 hours ahead of Ottawa 11:00 p.m.
Sydney +16h : Sydney is 16 hours ahead of Ottawa 1:00 a.m. next day
Kuala Lumpur +13h : Kuala Lumpur is 13 hours ahead of Ottawa 10:00 p.m.

Differences as of November 10, 2026. They change when either city switches to or from daylight saving time.

Business-hours overlap

Shared working hours between Ottawa and major business hubs
With Ottawa time Their time Shared
New York City 9:00 a.m.–5:00 p.m. 9:00 a.m.–5:00 p.m. 8 hours
London 9:00 a.m.–12:00 p.m. 2:00 p.m.–5:00 p.m. 3 hours
Singapore No overlap. Someone has to work outside 9 to 5.
Sydney No overlap. Someone has to work outside 9 to 5.

Shared 9 am to 5 pm working hours, shown in both local times. Weekends and public holidays are not considered.

Same time zone

Nearby cities

More cities in Canada

All of Canada →

Source: IANA Time Zone Database 2026e, computed by TimeThen. Updated November 10, 2026. How we calculate times.