Next change:
Nov
3
1 hour Back
Nov 3, 2024, 2:00 am
Apr 29
Forward 1 hour
Apr 29, 1973 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 29, 1973, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 29, 1973, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 29, 1973 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 28
Back 1 hour
Oct 28, 1973 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 28, 1973, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 28, 1973, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 28, 1973 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
DST in Locations in Ontario in 1973 (66 Locations) | |||||
|---|---|---|---|---|---|
| Ajax | Apr 29 – Oct 28 | Hamilton | Apr 29 – Oct 28 | Peterborough | Apr 29 – Oct 28 |
| Atikokan | No DST | Huntsville | Apr 29 – Oct 28 | Pickering | Apr 29 – Oct 28 |
| Barrie | Apr 29 – Oct 28 | Kawartha Lakes | Apr 29 – Oct 28 | Pickle Lake | No DST |
| Belleville | Apr 29 – Oct 28 | Kenora | Apr 29 – Oct 28 | Rainy River | No DST |
| Brampton | Apr 29 – Oct 28 | Kingston | Apr 29 – Oct 28 | Renfrew | Apr 29 – Oct 28 |
| Brantford | Apr 29 – Oct 28 | Kirkland Lake | Apr 29 – Oct 28 | Richmond Hill | Apr 29 – Oct 28 |
| Brockville | Apr 29 – Oct 28 | Kitchener | Apr 29 – Oct 28 | Sarnia | Apr 29 – Oct 28 |
| Burlington | Apr 29 – Oct 28 | London | Apr 29 – Oct 28 | Sault Ste. Marie | Apr 29 – Oct 28 |
| Caledon | Apr 29 – Oct 28 | Markham | Apr 29 – Oct 28 | St. Catharines | Apr 29 – Oct 28 |
| Cambridge | Apr 29 – Oct 28 | Milton | Apr 29 – Oct 28 | St. Joseph | Apr 29 – Oct 28 |
| Chatham-Kent | Apr 29 – Oct 28 | Mississauga | Apr 29 – Oct 28 | St. Thomas | Apr 29 – Oct 28 |
| Clarington | Apr 29 – Oct 28 | Newmarket | Apr 29 – Oct 28 | Stratford | Apr 29 – Oct 28 |
| Cornwall | Apr 29 – Oct 28 | Niagara Falls | Apr 29 – Oct 28 | Temiskaming Shores | Apr 29 – Oct 28 |
| Dryden | Apr 29 – Oct 28 | Nipigon | No DST | Thunder Bay | Apr 29 – Oct 28 |
| Fort Frances | Apr 29 – Oct 28 | Norfolk | Apr 29 – Oct 28 | Timmins | Apr 29 – Oct 28 |
| Fort Severn First Nation | Apr 29 – Oct 28 | North Bay | Apr 29 – Oct 28 | Toronto | Apr 29 – Oct 28 |
| Goderich | Apr 29 – Oct 28 | Oakville | Apr 29 – Oct 28 | Uxbridge | Apr 29 – Oct 28 |
| Gravenhurst | Apr 29 – Oct 28 | Orillia | Apr 29 – Oct 28 | Vaughan | Apr 29 – Oct 28 |
| Greater Sudbury | Apr 29 – Oct 28 | Oshawa | Apr 29 – Oct 28 | Waterloo | Apr 29 – Oct 28 |
| Guelph | Apr 29 – Oct 28 | Ottawa | Apr 29 – Oct 28 | Welland | Apr 29 – Oct 28 |
| Haldimand | Apr 29 – Oct 28 | Owen Sound | Apr 29 – Oct 28 | Whitby | Apr 29 – Oct 28 |
| Halton Hills | Apr 29 – Oct 28 | Pembroke | Apr 29 – Oct 28 | Windsor | Apr 29 – Oct 28 |
Daylight Saving Time History in Ontario
- Ontario first observed Daylight Saving Time in 1908.
- Ontario has observed DST for 108 years between 1908 and 2024 (DST in at least one location).
- Previous time with no Daylight Saving Time was 1917.
- See Worldwide DST Statistics