London is usually 5 hours ahead of Toronto. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.

LondonToronto

Sunrise 4:48 AMSunset 9:22 PM(local)

Sunrise 5:40 AMSunset 9:04 PM(local)

London: daylight saving timeNow UTC+1. Next change: October 25, 2026 β€” clocks go back 1 hour.
Public holiday in Toronto: Canada Day (Jul 1)
Toronto: daylight saving timeNow UTC-4. Next change: November 1, 2026 β€” clocks go back 1 hour.
LondonUTC+1
TorontoUTC-4

πŸ‡¬πŸ‡§ London

Dialing code+44
Population8,961,989
Coordinates51.51Β°N, 0.13Β°W
Elevation25 m

πŸ‡¨πŸ‡¦ Toronto

Dialing code+1
Population2,794,356
Coordinates43.71Β°N, 79.40Β°W
Elevation161 m

No comfortable common working hours β€” these cities barely overlap.

25 October 2026 β€” 1 November 2026: the gap is 4h instead of the usual 5h β€” London and Toronto change clocks on different days.

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between London and Toronto?
London is 5 hours ahead of Toronto. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between London and Toronto?
There is no hour when standard working hours (9:00–18:00) overlap in both London and Toronto, so any call falls outside business hours for at least one side.
Why does the time difference between London and Toronto change?
Because London and Toronto switch to or from daylight saving time on different dates, the gap between them is temporarily larger or smaller for a few weeks around those changes.