Current local time in Sarnia, Canada
The live clock above shows the time in Sarnia. Sarnia is in the America/Toronto time zone, UTC−4 right now (EDT).
| Country | Canada |
|---|---|
| Region | Ontario |
| Population | about 114,000 |
| Coordinates | 42.97° N, 82.40° W |
| Time zone | America/Toronto |
| Abbreviation | EST / EDT |
| UTC offset | UTC−5 (winter) / UTC−4 (summer) |
| Daylight saving time | Yes |
Daylight saving time
Sarnia uses daylight saving time: clocks switch between UTC−5 (EST) and UTC−4 (EDT). The next change is on Sunday, November 1, 2026, when clocks go back one hour.
Sunrise, sunset and daylight
Today: sunrise …, sunset …, .
| 2026 | Sunrise | Sunset | Daylight |
|---|---|---|---|
| March equinox | 7:33 AM | 7:41 PM | 12 h 8 min |
| June solstice | 5:50 AM | 9:12 PM | 15 h 21 min |
| September equinox | 7:16 AM | 7:28 PM | 12 h 11 min |
| December solstice | 7:57 AM | 4:57 PM | 9 h 0 min |
Clock time vs. sun time
The sun is highest over Sarnia at about 12:38 PM in mid-January, and about 1:35 PM in mid-July. On standard time, local clocks run about 30 minutes ahead of the sun, because Sarnia sits at 82.4° W, while its time zone is centred on 75.0° W.
Sarnia time compared with other cities
| City | Time now | Compared with Sarnia |
|---|---|---|
| New York | same time | |
| Los Angeles | 3 hours behind | |
| London | 5 hours ahead | |
| Paris | 6 hours ahead | |
| Dubai | 9 hours ahead in Jan, 8 hours ahead in Jul | |
| Mumbai | 10.5 hours ahead in Jan, 9.5 hours ahead in Jul | |
| Shanghai | 13 hours ahead in Jan, 12 hours ahead in Jul | |
| Tokyo | 14 hours ahead in Jan, 13 hours ahead in Jul | |
| Sydney | 16 hours ahead in Jan, 14 hours ahead in Jul |
Nearby cities
| City | Distance | Time now vs Sarnia |
|---|---|---|
| Windsor | 87 km (54 mi) | same time |
| Detroit, United States | 90 km (56 mi) | same time |
| London | 94 km (58 mi) | same time |
| Flint, United States | 105 km (65 mi) | same time |
| Ann Arbor, United States | 131 km (81 mi) | same time |
| Kitchener | 163 km (101 mi) | same time |
| Toledo, United States | 174 km (108 mi) | same time |
| Cleveland, United States | 176 km (110 mi) | same time |
Other cities in Canada
- Toronto
- Montreal
- Vancouver
- Calgary
- Ottawa
- Edmonton
- Hamilton
- Winnipeg
- Quebec City
- Kitchener
- Oshawa
- London
- Halifax
- Victoria
- Windsor
- Saskatoon
- Regina
- Abbotsford
Questions people ask
What time zone is Sarnia in?
Sarnia is in the America/Toronto time zone, UTC−5, or UTC−4 during daylight saving time.
Does Sarnia have daylight saving time?
Sarnia uses daylight saving time: clocks switch between UTC−5 (EST) and UTC−4 (EDT). The next change is on Sunday, November 1, 2026, when clocks go back one hour.
Why isn't noon in Sarnia when the sun is highest?
Because time zones are wide. Sarnia's clocks follow a zone centred on 75.0° W, so on standard time they run about 30 minutes ahead of the sun. Daylight saving time adds another hour.
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Time zone data: IANA tz database 2026e. Population: Natural Earth (approximate).