Brasilia Time (brt) is used in Brazil. The IANA timezone identifier is America/Sao_Paulo.

LONDON to BRT Time Converter

Q: Where is london used?

LONDON (London) (london) is used in United Kingdom. The IANA timezone identifier is Europe/London.

LONDON (London) → Brasilia Time

LONDON = UTC+1BRT = UTC-3

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

BRT (São Paulo)

Brazil · -4h

05:00

New York

USA · -5h

04:00

Tokyo

Japan · +8h

17:00

Dubai

United Arab Emirates · +3h

12:00

Sydney

Australia · +9h

18:00

How far apart are London and BRT (São Paulo)?

London is 4 hours ahead of BRT (São Paulo). Midday in London lines up with 08:00 in BRT (São Paulo).

London is in the Europe/London timezone. BRT (São Paulo) is in America/Sao_Paulo. The difference is 4 hours.

Daily overlap window

There is a 4-hour window each day where both London and BRT (São Paulo) are within standard business hours (09:00–17:00).

00:0006:0012:0018:0024:00

London

BRT (São Paulo)

Overlap (4h)

When to schedule across time zones

Both London and BRT (São Paulo) are in standard hours simultaneously for 4h per day. 3 recommended slots shown below.

13:00 London / 09:00 São Paulo✓ Both working

14:00 London / 10:00 São Paulo✓ Both working

15:00 London / 11:00 São Paulo✓ Both working

Based on standard 09:00–17:00 working hours in each location's local time.

Upcoming public holidays

⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.

London6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

BRT (São Paulo)7 holidays

Jul 9Constitutionalist Revolution of 1932

Sep 7Independence Day

Oct 12Our Lady of Aparecida

Nov 2All Souls' Day

Nov 15Republic Proclamation Day

How to work with London and BRT (São Paulo) time zones

Working across London (United Kingdom) and BRT (São Paulo) (Brazil) involves a 4-hour gap. The good news: there is a 4-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.

💡 How to schedule across these time zones

✅

13:00–14:00 in London = 09:00–10:00 in BRT (São Paulo). Both sides are in standard business hours during this window.

✅

14:00–15:00 in London = 10:00–11:00 in BRT (São Paulo). Both sides are in standard business hours during this window.

✅

15:00–16:00 in London = 11:00–12:00 in BRT (São Paulo). Both sides are in standard business hours during this window.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in London. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

LONDON (London) ↔ BRT (São Paulo)

4h of business hours overlap daily (09:00–17:00)

LONDON (London)

BRT (São Paulo)

00:00

20:00-1d

01:00

21:00-1d

02:00

22:00-1d

03:00

23:00-1d

04:00

00:00

05:00

01:00

06:00

02:00

07:00

03:00

08:00

04:00

09:00Working

05:00off

10:00Working

06:00off

11:00Working

07:00off

12:00Working

08:00off

13:00Working

09:00Working

14:00Working

10:00Working

15:00Working

11:00Working

16:00Working

12:00Working

17:00

13:00Working

18:00

14:00Working

19:00

15:00Working

20:00

16:00Working

21:00

17:00

22:00

18:00

23:00

19:00

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between london and brt?

LONDON (London) (london) is UTC+1 and Brasilia Time (brt) is UTC-3. The difference between them is 4 hours.

Where is london used?

LONDON (London) (london) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London.

Where is brt used?

Brasilia Time (brt) is used in Brazil and surrounding regions. The IANA timezone identifier is America/Sao_Paulo.

How do I convert london to brt?

Use the interactive converter above. Drag the time slider to any london time and the brt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

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