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America/Toronto

America/Toronto is the IANA time zone for Eastern – ON and QC (most areas) in Canada.

UTC−04:00

Tue, Sep 29 UTC−4 EDT

Offsets and daylight saving time

Standard offset
UTC−05:00
Daylight offset
UTC−04:00
Rule
Daylight saving time from the second Sunday in March at 02:00 to the first Sunday in November at 02:00 (local time).

Next clock changes

  • Sunday, November 1, 2026 at 02:00: back to UTC−5 (EDT → EST)
  • Sunday, March 14, 2027 at 02:00: forward to UTC−4 (EST → EDT)

Names

Generic name
Eastern Time
Abbreviation
EST / EDT
Standard / daylight
Eastern Standard Time / Eastern Daylight Time
Aliases
America/Montreal, America/Nipigon, America/Thunder_Bay and Canada/Eastern (old ids that resolve to America/Toronto)

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'America/Toronto' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('America/Toronto')

-- PostgreSQL
SELECT now() AT TIME ZONE 'America/Toronto';

Cities in America/Toronto

Also in this zone: Mississauga, Brampton, Hamilton, Québec, Laval, London, Etobicoke, Markham, Vaughan, Gatineau, Kitchener, Windsor, Longueuil, Oakville, Richmond Hill.

Offset history since 1970

  • 1970–2026: UTC−5 and UTC−4 each year

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