Current local time in SarniaOntario, Canada
––:––
America/TorontoUTC−5 / UTC−4
Sarnia 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 Sarnia
Sarnia 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 Sarnia
These places show the same clock as Sarnia 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)
Sarnia 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
- 42.98°, -82.40°
- Population
- 72,125
- Local date
- —
Sunrise and sunset in Sarnia today
Computed from Sarnia'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
- —
Sarnia time difference from major cities
| City | Local time now | Sarnia 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.
Sarnia time: questions and answers
- What time is it in Sarnia right now?
- The clock at the top of this page shows the live local time in Sarnia, updated every second from your device's clock. Sarnia keeps Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer.
- What time zone is Sarnia in?
- Sarnia 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 Sarnia 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 Sarnia's time?
- Toronto, Montréal, Ottawa, Mississauga, Brampton, Hamilton keep the same clock as Sarnia all year.
Planning something with Sarnia?
- Find a meeting time — the hours that overlap between Sarnia and your team.
- Convert a time — turn a time in Sarnia into yours, or the other way round.
- Compare office hours — when Sarnia offices and yours are both open.
- Send a calendar invite — with the America/Toronto time zone set correctly.