What is the time difference between Santiago and London?

London is 5 hours ahead of Santiago. 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 London from Santiago?

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

Does Santiago observe daylight saving time?

Yes. Santiago runs on UTC-4 in winter and UTC-3 in summer. The next change is on 2026-09-06, when clocks go forward by 60 minutes.

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.

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

It is 17:00 in London, 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 Santiago and London use?

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

Convert Santiago time to London time

Right now London runs 5 hours ahead of Santiago. 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

Every hour of a day in Santiago, and what the clock reads in London at that same moment.

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

Daylight saving time

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

Santiago

Observes daylight saving time

Standard: UTC-4
Daylight: UTC-3
Next change: 2026-09-06 +60m

London

Observes daylight saving time

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

When you can actually talk

The window is 4 hours wide — 09:00–13:00 in Santiago, 14:00–18:00 in London.

Santiago 09:00–13:00London 14:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	Santiago	London
IANA zone	America/Santiago	Europe/London
Abbreviation	UTC-4	BST
Standard offset	UTC-4	UTC+0
Daylight offset	UTC-3	UTC+1
Clock changes this year	2	2
Country	Chile	United Kingdom

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

Common questions

What is the time difference between Santiago and London?: London is 5 hours ahead of Santiago. 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 London from Santiago?: Between 09:00–13:00 in Santiago, which is 14:00–18:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Santiago observe daylight saving time?: Yes. Santiago runs on UTC-4 in winter and UTC-3 in summer. The next change is on 2026-09-06, when clocks go forward by 60 minutes.
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.
If it is midday in Santiago, what time is it in London?: It is 17:00 in London, 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 Santiago and London use?: Santiago uses America/Santiago, currently UTC-4, and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.