What is the time difference between London and Toronto?

Toronto is 5 hours behind London. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Toronto from London?

Between 14:00–18:00 in London, which is 09:00–13:00 in Toronto. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does London observe daylight saving time?

Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

Does Toronto observe daylight saving time?

Yes. Toronto runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in London, what time is it in Toronto?

It is 07:00 in Toronto, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do London and Toronto use?

London uses Europe/London, currently UTC+1 (BST), and Toronto uses America/Toronto, currently UTC-4 (EDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert London time to Toronto time

Right now Toronto runs 5 hours behind London. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for London, across for Toronto.

London	Toronto
00:00	19:00previous day
01:00	20:00previous day
02:00	21:00previous day
03:00	22:00previous day
04:00	23:00previous day
05:00	00:00
06:00	01:00
07:00	02:00
08:00	03:00
09:00	04:00
10:00	05:00
11:00	06:00
12:00	07:00
13:00	08:00
14:00	09:00
15:00	10:00
16:00	11:00
17:00	12:00
18:00	13:00
19:00	14:00
20:00	15:00
21:00	16:00
22:00	17:00
23:00	18:00

Daylight saving time

London and Toronto both observe daylight saving. Where their change dates differ, so does the gap between them for the weeks in between.

London

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

Toronto

Observes daylight saving time

Standard: UTC-5
Daylight: UTC-4
Next change: 2026-11-01 −60m

When you can actually talk

You have 4 hours of shared working time: 14:00–18:00 in London, which is 09:00–13:00 in Toronto.

London 14:00–18:00Toronto 09:00–13:00

Reference

The zone identifiers and offsets behind everything above.

	London	Toronto
IANA zone	Europe/London	America/Toronto
Abbreviation	BST	EDT
Standard offset	UTC+0	UTC-5
Daylight offset	UTC+1	UTC-4
Clock changes this year	2	2
Country	United Kingdom	Canada

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between London and Toronto?: Toronto is 5 hours behind London. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Toronto from London?: Between 14:00–18:00 in London, which is 09:00–13:00 in Toronto. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does London observe daylight saving time?: Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
Does Toronto observe daylight saving time?: Yes. Toronto runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in London, what time is it in Toronto?: It is 07:00 in Toronto, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do London and Toronto use?: London uses Europe/London, currently UTC+1 (BST), and Toronto uses America/Toronto, currently UTC-4 (EDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.