What time is it in Grantham, Ontario, Canada
This is a live clock for Grantham, Ontario, Canada, showing local time in the America/Toronto zone (−4).
Grantham, Canada
Tuesday, 20 October 2026
UTC−4 · America/Toronto
Local time in Grantham
UTC−4 · daylight saving time is active
What the clock shows right now in Grantham.
The sun today
Sunrise 7:38 AM Solar noon 1:03 PM Sunset 6:28 PM Daylight 10 h 50 min Night 13 h 10 min Civil twilight 7:09 AM – 6:57 PM
Weather in Grantham right now
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Weather data by Open-Meteo, updated every 30 minutes.
Grantham and its neighbours
Postal codes
- L2M St. Catharines Northeast — 1.4 km away
- L2N St. Catharines Northwest — 2.9 km away
- L2P St. Catharines East — 6.1 km away
- L2W St. Catharines West — 6.1 km away
- L2S St. Catharines Southwest — 7.5 km away
- L2T St. Catharines South — 8.4 km away
- L2R St. Catharines Central — 9.2 km away
- L2V St. Catharines Southeast — 10.4 km away
- L2H Niagara Falls West — 13.7 km away
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Ontario
Other places named Grantham
- Grantham England, United Kingdom
- Grantham New Hampshire, United States
- Grantham Queensland, Australia
- Grantham Alberta, Canada
- Grantham Pennsylvania, United States
Same time zone — America/Toronto
- Toronto Canada
- Montreal Canada
- Ottawa Canada
- Mississauga Canada
- Brampton Canada
Nearby places
- Port Weller — 1.3 km
- Weller Park — 1.7 km
- Carlton Park — 1.8 km
- Ryderville — 2.1 km
- Port Weller East — 2.3 km
- Facer — 3.3 km
Local time details for Grantham
9 distinct postal codes apply to Grantham.
The offset in Grantham is UTC−4, under the America/Toronto time zone. Daylight saving time: Yes.
In Grantham today the sun is out from 7:38 AM until 6:28 PM. That comes to 10 h 50 min of daylight.
Neighbouring Port Weller and Weller Park keep the same hours as Grantham.
Questions and answers
- Should America/Toronto be used as the time zone for Grantham?
- Yes, Grantham uses America/Toronto, whose offset is −4.
- Does Grantham change its clocks twice a year?
- Daylight saving time in Grantham: Yes.
- How do I know when the sun rises in Grantham?
- Sunrise there is at 7:38 AM.