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Time Change 2017 in Ontario, Canada

Next change:
Mar
9
1 hour Forward

Mar 9, 2025, 2:00 am

Province: Ontario
Abbreviation: ON
Provincial Capital: Toronto
Country: Canada
Time Zones: 2
Location

Mar 12

Forward 1 hour

Mar 12, 2017 - Daylight Saving Time Started

When local standard time was about to reach
Sunday, March 12, 2017, 2:00:00 am clocks were turned forward 1 hour to
Sunday, March 12, 2017, 3:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Mar 12, 2017 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.

More info:
DST Starts in USA & Canada

Nov 5

Back 1 hour

Nov 5, 2017 - Daylight Saving Time Ended

When local daylight time was about to reach
Sunday, November 5, 2017, 2:00:00 am clocks were turned backward 1 hour to
Sunday, November 5, 2017, 1:00:00 am local standard time instead.

Sunrise and sunset were about 1 hour earlier on Nov 5, 2017 than the day before. There was more light in the morning and less light in the evening.

Also called Fall Back and Winter Time.

More info:
Clocks Go Back 1 Hour in USA & Canada on Nov 5, 2017

Other years: 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2025

Daylight Saving Time Info

DST in Locations in Ontario in 2017 (66 Locations)

AjaxMar 12 – Nov 5HamiltonMar 12 – Nov 5PeterboroughMar 12 – Nov 5
AtikokanNo DSTHuntsvilleMar 12 – Nov 5PickeringMar 12 – Nov 5
BarrieMar 12 – Nov 5Kawartha LakesMar 12 – Nov 5Pickle LakeNo DST
BellevilleMar 12 – Nov 5KenoraMar 12 – Nov 5Rainy RiverMar 12 – Nov 5
BramptonMar 12 – Nov 5KingstonMar 12 – Nov 5RenfrewMar 12 – Nov 5
BrantfordMar 12 – Nov 5Kirkland LakeMar 12 – Nov 5Richmond HillMar 12 – Nov 5
BrockvilleMar 12 – Nov 5KitchenerMar 12 – Nov 5SarniaMar 12 – Nov 5
BurlingtonMar 12 – Nov 5LondonMar 12 – Nov 5Sault Ste. MarieMar 12 – Nov 5
CaledonMar 12 – Nov 5MarkhamMar 12 – Nov 5St. CatharinesMar 12 – Nov 5
CambridgeMar 12 – Nov 5MiltonMar 12 – Nov 5St. JosephMar 12 – Nov 5
Chatham-KentMar 12 – Nov 5MississaugaMar 12 – Nov 5St. ThomasMar 12 – Nov 5
ClaringtonMar 12 – Nov 5NewmarketMar 12 – Nov 5StratfordMar 12 – Nov 5
CornwallMar 12 – Nov 5Niagara FallsMar 12 – Nov 5Temiskaming ShoresMar 12 – Nov 5
DrydenMar 12 – Nov 5NipigonMar 12 – Nov 5Thunder BayMar 12 – Nov 5
Fort FrancesMar 12 – Nov 5NorfolkMar 12 – Nov 5TimminsMar 12 – Nov 5
Fort Severn First NationMar 12 – Nov 5North BayMar 12 – Nov 5TorontoMar 12 – Nov 5
GoderichMar 12 – Nov 5OakvilleMar 12 – Nov 5UxbridgeMar 12 – Nov 5
GravenhurstMar 12 – Nov 5OrilliaMar 12 – Nov 5VaughanMar 12 – Nov 5
Greater SudburyMar 12 – Nov 5OshawaMar 12 – Nov 5WaterlooMar 12 – Nov 5
GuelphMar 12 – Nov 5OttawaMar 12 – Nov 5WellandMar 12 – Nov 5
HaldimandMar 12 – Nov 5Owen SoundMar 12 – Nov 5WhitbyMar 12 – Nov 5
Halton HillsMar 12 – Nov 5PembrokeMar 12 – Nov 5WindsorMar 12 – Nov 5

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

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