Toronto is 5 hours behind of London right now.
The gap between London and Toronto is not fixed. It moves between 5 hours and 4 hours during the year, because the two cities change their clocks on different dates, or only one of them changes at all. The table gives exact dates for the rest of 2026 and for 2027.
Time difference by date
| Dates | Toronto compared with London | Zones |
|---|---|---|
| Until 25 Oct 2026 | 5 hours behind | BST (UTC+1) / EDT (UTC−4) |
| 25 Oct 2026 to 1 Nov 2026 | 4 hours behind | GMT (UTC+0) / EDT (UTC−4) |
| 1 Nov 2026 to 14 Mar 2027 | 5 hours behind | GMT (UTC+0) / EST (UTC−5) |
| 14 Mar 2027 to 28 Mar 2027 | 4 hours behind | GMT (UTC+0) / EDT (UTC−4) |
| 28 Mar 2027 to 31 Oct 2027 | 5 hours behind | BST (UTC+1) / EDT (UTC−4) |
| 31 Oct 2027 to 7 Nov 2027 | 4 hours behind | GMT (UTC+0) / EDT (UTC−4) |
| From 7 Nov 2027 | 5 hours behind | GMT (UTC+0) / EST (UTC−5) |
Worked examples around the clock changes
The same local time in London lands at a different time in Toronto either side of each change:
- London changes its clocks on Sunday 25 October 2026. Before the change, on Friday 23 October 2026, 13:00 in London is 08:00 in Toronto (5 hours behind). After it, on Monday 26 October 2026, 13:00 in London is 09:00 in Toronto (4 hours behind).
- Toronto changes its clocks on Sunday 1 November 2026. Before the change, on Friday 30 October 2026, 14:00 in London is 10:00 in Toronto (4 hours behind). After it, on Monday 2 November 2026, 14:00 in London is 09:00 in Toronto (5 hours behind).
- Toronto changes its clocks on Sunday 14 March 2027. Before the change, on Friday 12 March 2027, 13:00 in London is 08:00 in Toronto (5 hours behind). After it, on Monday 15 March 2027, 13:00 in London is 09:00 in Toronto (4 hours behind).
- London changes its clocks on Sunday 28 March 2027. Before the change, on Friday 26 March 2027, 14:00 in London is 10:00 in Toronto (4 hours behind). After it, on Monday 29 March 2027, 14:00 in London is 09:00 in Toronto (5 hours behind).
- London changes its clocks on Sunday 31 October 2027. Before the change, on Friday 29 October 2027, 13:00 in London is 08:00 in Toronto (5 hours behind). After it, on Monday 1 November 2027, 13:00 in London is 09:00 in Toronto (4 hours behind).
- Toronto changes its clocks on Sunday 7 November 2027. Before the change, on Friday 5 November 2027, 14:00 in London is 10:00 in Toronto (4 hours behind). After it, on Monday 8 November 2027, 14:00 in London is 09:00 in Toronto (5 hours behind).
Working hours overlap
When the 09:00–17:00 working days in London and Toronto overlap, on a mid-week day in each period:
- Until 25 Oct 2026: 14:00–17:00 in London = 09:00–12:00 in Toronto (3 hours).
- 25 Oct 2026 to 1 Nov 2026: 13:00–17:00 in London = 09:00–13:00 in Toronto (4 hours).
- 1 Nov 2026 to 14 Mar 2027: 14:00–17:00 in London = 09:00–12:00 in Toronto (3 hours).
- 14 Mar 2027 to 28 Mar 2027: 13:00–17:00 in London = 09:00–13:00 in Toronto (4 hours).
- 28 Mar 2027 to 31 Oct 2027: 14:00–17:00 in London = 09:00–12:00 in Toronto (3 hours).
- 31 Oct 2027 to 7 Nov 2027: 13:00–17:00 in London = 09:00–13:00 in Toronto (4 hours).
- From 7 Nov 2027: 14:00–17:00 in London = 09:00–12:00 in Toronto (3 hours).