Time zone in Ottawa
- Time zone: Eastern Daylight Time
- UTC offset right now: UTC−4
- IANA time zone ID: America/Toronto
- Country: Canada
Daylight saving time
Ottawa observes daylight saving time. Right now it is on Eastern Daylight Time (UTC−4).
- On Sunday, November 1, 2026, clocks in Ottawa go back one hour, to UTC−5.
- On Sunday, March 14, 2027, clocks in Ottawa go forward one hour, to UTC−4.
Ottawa compared to other cities
| City | Time now | vs. Ottawa |
|---|---|---|
| New York | — | Same time |
| Los Angeles | — | 3 hrs behind |
| Chicago | — | 1 hr behind |
| London | — | 5 hrs ahead |
| Paris | — | 6 hrs ahead |
| Dubai | — | 8 hrs ahead |
| Mumbai | — | 9 hrs 30 min ahead |
| Tokyo | — | 13 hrs ahead |
Planning a call? Use the time zone converter to check any time of day.
Calling Ottawa
Office hours in Ottawa and New York overlap for about 8 hours a day, from 9 AM to 5 PM in New York (9 AM to 5 PM in Ottawa).
Office hours in Ottawa and London overlap for about 3 hours a day, from 2 PM to 5 PM in London (9 AM to 12 PM in Ottawa).
When it's 9 AM in Ottawa today, it's New York: Mon 9:00 AM · London: Mon 2:00 PM · Dubai: Mon 5:00 PM · Tokyo: Mon 10:00 PM · Sydney: Tue 12:00 AM.