Toronto vs London
London is 5 hours ahead Toronto
Toronto
London
The DST gap
When daylight saving changes don't line up, the gap between Toronto and London shifts.
Right now the gap is its usual 5h: London is 5 hours ahead of Toronto.
Next change in 3 days (Oct 25, 2026): London clocks go back 1 hour, and the gap goes from 5h to 4h.
2026 · usually 5h
The dark line is today.
Mar 8 – Mar 29: 4h instead of 5h · 21 days · past
Starts when Toronto clocks go forward 1 hour; ends when London clocks go forward 1 hour.
Oct 25 – Nov 1: 4h instead of 5h · 7 days
Starts when London clocks go back 1 hour; ends when Toronto clocks go back 1 hour.
Computed from the IANA time zone database; no dates are typed in by hand. See which popular city pairs are drifting right now
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Best times to call between Toronto and London
Current scheduled offset: 5 hours ahead. DST rules are automatically applied.