Current time in Ontario, Canada
· week 43 · day 294/365
- Time zone
- EDT
- UTC now
- UTC−4
- Next change
- Calling code
- +1
- Cities listed
- 101
Time difference with your location
Ontario is 4 hours behind UTC. Compare with your local time →
Ontario time now
Time zones in Ontario
Ontario (Canada) spans 2 time zones; its largest city, Toronto, is on Eastern Time (EDT, UTC−4). Next clock change: Nov 1, 2026, UTC−4 → UTC−5.
| Time zone | Time now | Next change | Main cities |
|---|---|---|---|
| CDTCentral Time | UTC−5 | No DST | Kenora1 cities |
| EDTEastern Time | UTC−4 | UTC−5 | Toronto, Ottawa, Mississauga100 cities |
One row per time-zone behaviour (same offsets in January and July); IANA sub-zones are merged.
Major cities in Ontario
The 24 most populous cities, with boroughs and urban districts merged into their city.
| Location | Time zone | Time |
|---|---|---|
| Toronto | EDT | |
| Ottawa | EDT | |
| Mississauga | EDT | |
| Brampton | EDT | |
| Hamilton | EDT | |
| London | EDT | |
| Markham | EDT | |
| Kitchener | EDT | |
| Windsor | EDT | |
| Oshawa | EDT | |
| Greater Sudbury | EDT | |
| Barrie | EDT |
| Location | Time zone | Time |
|---|---|---|
| Guelph | EDT | |
| Whitby | EDT | |
| St. Catharines | EDT | |
| Kingston | EDT | |
| Cambridge | EDT | |
| Ajax | EDT | |
| Thunder Bay | EDT | |
| Waterloo | EDT | |
| Brantford | EDT | |
| Niagara Falls | EDT | |
| Newmarket | EDT | |
| Kanata | EDT |
Time difference with world cities · Ontario
Current local times, including each location’s current daylight saving offset.
| Location | Time | Difference |
|---|---|---|
| Los Angeles | ☀PDT | −3h |
| Mexico City | ☀CST | −2h |
| Washington D.C. | ☀EDT | same time |
| London | ☀BST | +5h |
| Abuja | ☀WAT | +5h |
| Dublin | ☀IST | +5h |
| Berlin | ☀CEST | +6h |
| Madrid | ☀CEST | +6h |
| Rome | ☀CEST | +6h |
| Paris | ☀CEST | +6h |
| Jerusalem | ☀IDT | +7h |
| Riyadh | ☀AST | +7h |
| Ankara | ☀TRT | +7h |
| Dubai | ☀GST | +8h |
| New Delhi | ☀IST | +9h30m |
| Hanoi | ☀ICT | +11h |
| Bangkok | ☀ICT | +11h |
| Manila | ☀PHT | +12h |
| Beijing | ☀CST | +12h |
| Tokyo | ☀JST | +13h |
| Seoul | ☀KST | +13h |
| Canberra | ☀AEDT | +15h |
| Sydney | ☀AEDT | +15h |
| Wellington | ☀NZDT | +17h |
Ontario at a glance
- Country
- Canada
- Largest city
- Toronto
- Time zones
- CDT, EDT
- Cities listed
- 101
- Population
- 15,619,100(sum of listed cities)
Frequently asked questions
What time zone is Ontario in?
Ontario (Canada) spans 2 time zones; its largest city, Toronto, is on Eastern Time (EDT, UTC−4).
Does Ontario observe daylight saving time?
Yes. The next change is on Nov 1, 2026: clocks go from UTC−4 to UTC−5.
What is the largest city in Ontario?
Toronto is the largest city in Ontario, with a population of 2,794,356.