Nov 2, 2025, 2:00 am
Apr 4
Forward 1 hour
Apr 4, 1999 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 4, 1999, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 4, 1999, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 4, 1999 than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 31
Back 1 hour
Oct 31, 1999 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 31, 1999, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 31, 1999, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 31, 1999 than the day before. There was more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
DST in Locations in Ontario in 1999 (66 Locations) |
|||||
|---|---|---|---|---|---|
| Ajax | Apr 4 – Oct 31 | Hamilton | Apr 4 – Oct 31 | Peterborough | Apr 4 – Oct 31 |
| Atikokan | No DST | Huntsville | Apr 4 – Oct 31 | Pickering | Apr 4 – Oct 31 |
| Barrie | Apr 4 – Oct 31 | Kawartha Lakes | Apr 4 – Oct 31 | Pickle Lake | No DST |
| Belleville | Apr 4 – Oct 31 | Kenora | Apr 4 – Oct 31 | Rainy River | Apr 4 – Oct 31 |
| Brampton | Apr 4 – Oct 31 | Kingston | Apr 4 – Oct 31 | Renfrew | Apr 4 – Oct 31 |
| Brantford | Apr 4 – Oct 31 | Kirkland Lake | Apr 4 – Oct 31 | Richmond Hill | Apr 4 – Oct 31 |
| Brockville | Apr 4 – Oct 31 | Kitchener | Apr 4 – Oct 31 | Sarnia | Apr 4 – Oct 31 |
| Burlington | Apr 4 – Oct 31 | London | Apr 4 – Oct 31 | Sault Ste. Marie | Apr 4 – Oct 31 |
| Caledon | Apr 4 – Oct 31 | Markham | Apr 4 – Oct 31 | St. Catharines | Apr 4 – Oct 31 |
| Cambridge | Apr 4 – Oct 31 | Milton | Apr 4 – Oct 31 | St. Joseph | Apr 4 – Oct 31 |
| Chatham-Kent | Apr 4 – Oct 31 | Mississauga | Apr 4 – Oct 31 | St. Thomas | Apr 4 – Oct 31 |
| Clarington | Apr 4 – Oct 31 | Newmarket | Apr 4 – Oct 31 | Stratford | Apr 4 – Oct 31 |
| Cornwall | Apr 4 – Oct 31 | Niagara Falls | Apr 4 – Oct 31 | Temiskaming Shores | Apr 4 – Oct 31 |
| Dryden | Apr 4 – Oct 31 | Nipigon | Apr 4 – Oct 31 | Thunder Bay | Apr 4 – Oct 31 |
| Fort Frances | Apr 4 – Oct 31 | Norfolk | Apr 4 – Oct 31 | Timmins | Apr 4 – Oct 31 |
| Fort Severn First Nation | Apr 4 – Oct 31 | North Bay | Apr 4 – Oct 31 | Toronto | Apr 4 – Oct 31 |
| Goderich | Apr 4 – Oct 31 | Oakville | Apr 4 – Oct 31 | Uxbridge | Apr 4 – Oct 31 |
| Gravenhurst | Apr 4 – Oct 31 | Orillia | Apr 4 – Oct 31 | Vaughan | Apr 4 – Oct 31 |
| Greater Sudbury | Apr 4 – Oct 31 | Oshawa | Apr 4 – Oct 31 | Waterloo | Apr 4 – Oct 31 |
| Guelph | Apr 4 – Oct 31 | Ottawa | Apr 4 – Oct 31 | Welland | Apr 4 – Oct 31 |
| Haldimand | Apr 4 – Oct 31 | Owen Sound | Apr 4 – Oct 31 | Whitby | Apr 4 – Oct 31 |
| Halton Hills | Apr 4 – Oct 31 | Pembroke | Apr 4 – Oct 31 | Windsor | Apr 4 – Oct 31 |
Daylight Saving Time History in Ontario
- Ontario first observed Daylight Saving Time in 1908.
- Ontario has observed DST for 109 years between 1908 and 2025 (DST in at least one location).
- Previous time with no Daylight Saving Time was 1917.
- See Worldwide DST Statistics