Does London observe daylight saving time?

Yes. London is on BST (UTC+1) now, and its clocks go back 1 hour on Sun, Oct 25, to GMT (UTC+0).

Does São Paulo observe daylight saving time?

No. São Paulo stays on BRT (UTC-3) all year, so its clocks don't change.

What time is it in São Paulo when it's 9 AM in London?

5:00 AM in São Paulo, on the same day.

London to São Paulo Meeting Planner

São Paulo is 4 hours behind London right now. Their working days overlap for 4 hours today.

London · United Kingdom

12:57 AM

Sun, Oct 18 · BST · summer time

São Paulo · Brazil

8:57 PM

Sat, Oct 17 · BRT

Best Meeting Times Between London and São Paulo

1:00 PM to 5:00 PM in London (9:00 AM to 1:00 PM in São Paulo). That's when both cities are inside working hours, 9 AM to 5 PM, giving 4 hours of overlap today.

Who's meeting

2 of 4 places

LondonOrganizerUnited Kingdom ·· summer time12:57AMnow
São PauloBrazil ·8:57PMYesterday · now

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in London

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in London time.

1:00PMBest · OptimalWorking hours in London (13:00) and São Paulo (09:00).
2:00PMOption 2 · OptimalWorking hours in London (14:00) and São Paulo (10:00).
3:00PMOption 3 · OptimalWorking hours in London (15:00) and São Paulo (11:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
LondonBST
São PauloUTC-3
UTC	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

London1:00 PM BSTSun, Oct 18
São Paulo9:00 AM UTC-3Sun, Oct 18
UTC2026-10-18 12:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between London and São Paulo

São Paulo is 4 hours behind London right now: São Paulo is on BRT (UTC-3) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then São Paulo is 3 hours behind London.

Time difference between London and São Paulo over the next 12 months
From	Difference	Why
Now	São Paulo 4 hours behind	—
Sun, Oct 25	São Paulo 3 hours behind	Clocks go back in London
Sun, Mar 28, 2027	São Paulo 4 hours behind	Clocks go forward in London

London is on Greenwich Mean Time. São Paulo is on Brasilia Standard Time.

Frequently Asked Questions: London & São Paulo Scheduling

What is the time difference between London and São Paulo?: São Paulo is 4 hours behind London right now: São Paulo is on BRT (UTC-3) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then São Paulo is 3 hours behind London.
What is the best time to schedule a meeting between London and São Paulo?: 1:00 PM to 5:00 PM in London (9:00 AM to 1:00 PM in São Paulo). That's when both cities are inside working hours, 9 AM to 5 PM, giving 4 hours of overlap today.
Does London observe daylight saving time?: Yes. London is on BST (UTC+1) now, and its clocks go back 1 hour on Sun, Oct 25, to GMT (UTC+0).
Does São Paulo observe daylight saving time?: No. São Paulo stays on BRT (UTC-3) all year, so its clocks don't change.
What time is it in São Paulo when it's 9 AM in London?: 5:00 AM in São Paulo, on the same day.

Or see every city pair, or plan with more places in the meeting planner.