What is the time difference between São Paulo and London?

London is 4 hours ahead of São Paulo. 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 São Paulo?

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

Does São Paulo observe daylight saving time?

No. São Paulo stays on UTC-3 all year, so its clocks never move.

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 São Paulo, what time is it in London?

It is 16:00 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 São Paulo and London use?

São Paulo uses America/Sao_Paulo, currently UTC-3, 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 São Paulo time to London time

Right now London runs 4 hours ahead of São Paulo. 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 São Paulo, and what the clock reads in London at that same moment.

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

Daylight saving time

São Paulo keeps one offset all year while London moves twice. That is the whole reason this difference is seasonal.

São Paulo

Does not observe daylight saving time

Standard: UTC-3

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 5 hours wide — 09:00–14:00 in São Paulo, 13:00–18:00 in London.

São Paulo 09:00–14:00London 13:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	São Paulo	London
IANA zone	America/Sao_Paulo	Europe/London
Abbreviation	UTC-3	BST
Standard offset	UTC-3	UTC+0
Daylight offset	—	UTC+1
Clock changes this year	0	2
Country	Brazil	United Kingdom

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

Common questions

What is the time difference between São Paulo and London?: London is 4 hours ahead of São Paulo. 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 São Paulo?: Between 09:00–14:00 in São Paulo, which is 13:00–18:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does São Paulo observe daylight saving time?: No. São Paulo stays on UTC-3 all year, so its clocks never move.
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 São Paulo, what time is it in London?: It is 16:00 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 São Paulo and London use?: São Paulo uses America/Sao_Paulo, currently UTC-3, and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.