Current local time in Ottawa SouthOntario, Canada
––:––
America/TorontoUTC−5 / UTC−4
Ottawa South keeps Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer. Its IANA time zone is America/Toronto.
Daylight saving time in Ottawa South
Ottawa South changes its clocks twice a year. The next changes, from the IANA time zone database as of October 2026:
- Sun, Nov 1, 2026: clocks go back 1 hour to UTC−5
- Sun, Mar 14, 2027: clocks go forward 1 hour to UTC−4
Cities on the same time as Ottawa South
These places show the same clock as Ottawa South every day of the coming year, clock changes included.
- In other countries
New York City (United States), Havana (Cuba), Port-au-Prince (Haiti), Nassau (Bahamas), Providenciales (Turks and Caicos Islands)
Ottawa South time zone at a glance
- IANA time zone
- America/Toronto
- UTC offset
- UTC−5 / UTC−4
- Daylight saving
- Observed
- Next clock change
- Sun, Nov 1, 2026 → UTC−5
- Country
- Canada
- Region
- Ontario
- Coordinates
- 45.39°, -75.69°
- Population
- 125,090
- Local date
- —
Sunrise and sunset in Ottawa South today
Computed from Ottawa South's latitude and longitude for the current local date. Times shift by a minute or two either side depending on elevation and the horizon you actually see.
- Sunrise
- —
- Sunset
- —
- Solar noon
- —
- Day length
- —
- Civil dawn
- —
- Civil dusk
- —
- Golden hour ends
- —
- Golden hour begins
- —
Ottawa South time difference from major cities
| City | Local time now | Ottawa South is |
|---|---|---|
| New York CityUnited States | — | same time |
| LondonUnited Kingdom | — | 5h behind |
| DubaiUnited Arab Emirates | — | 8h behind |
| SingaporeSingapore | — | 12h behind |
| TokyoJapan | — | 13h behind |
| SydneyAustralia | — | 15h behind |
Need a different pair? Compare any two cities or convert a specific time.
Ottawa South time: questions and answers
- What time is it in Ottawa South right now?
- The clock at the top of this page shows the live local time in Ottawa South, updated every second from your device's clock. Ottawa South keeps Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer.
- What time zone is Ottawa South in?
- Ottawa South is in the IANA time zone America/Toronto: Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer.
- Does Ottawa South observe daylight saving time?
- Yes. Upcoming changes: Sun, Nov 1, 2026: clocks go back 1 hour to UTC−5; Sun, Mar 14, 2027: clocks go forward 1 hour to UTC−4.
- Which cities share Ottawa South's time?
- Toronto, Montréal, Ottawa, Mississauga, Brampton, Hamilton keep the same clock as Ottawa South all year.
Planning something with Ottawa South?
- Find a meeting time — the hours that overlap between Ottawa South and your team.
- Convert a time — turn a time in Ottawa South into yours, or the other way round.
- Compare office hours — when Ottawa South offices and yours are both open.
- Send a calendar invite — with the America/Toronto time zone set correctly.