London is 5 hours ahead of Toronto most of the year, and 4 hours from mid-March to late March and from late October to early November.
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Quick reference
| TORONTO | LONDON · MOST OF THE YEAR | LONDON · MID-MAR–LATE MAR, LATE OCT–EARLY NOV |
|---|---|---|
| 9:00 am | 2:00 pm | 1:00 pm |
| 12:00 pm | 5:00 pm | 4:00 pm |
| 3:00 pm | 8:00 pm | 7:00 pm |
| 6:00 pm | 11:00 pm | 10:00 pm |
| 9:00 pm | 2:00 am next day | 1:00 am next day |
Questions
5 hours most of the year, and 4 hours from mid-March to late March and from late October to early November, when Toronto and London change their clocks on different dates.
2pm most of the year, and 1pm from mid-March to late March and from late October to early November.
Yes, both, on different dates. Toronto moves to EDT (UTC-4) in mid-March and back to EST (UTC-5) in early November; London moves to BST (UTC+1) in late March and back to GMT (UTC+0) in late October.