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

British Summer Time (bst) is used in United Kingdom. The IANA timezone identifier is Europe/London.

BRT to BST Time Converter

Brasilia Time → British Summer Time

BRT = UTC-3BST = UTC+1

⚠️ BST is ambiguous — on this page it means British Summer Time. It also refers to:

BRT → Bangladesh Standard Time (Dhaka) ↗

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

BST (London)

United Kingdom · +4h🔔 Public Holiday in 7d — World Cup Bank Holiday

13:00

New York

USA · -1h

08:00

Tokyo

Japan · +12h

21:00

Dubai

United Arab Emirates · +7h

16:00

Sydney

Australia · +13h

22:00

BRT (São Paulo) vs BST (London) — time difference

BRT (São Paulo) is 4 hours behind BST (London). When it's noon in BRT (São Paulo), it's 16:00 in BST (London).

BRT (São Paulo) runs on America/Sao_Paulo; BST (London) runs on Europe/London. Together they are 4 hours apart.

Shared working hours

Both BRT (São Paulo) and BST (London) are simultaneously in business hours for 4 hours per day (assuming standard 9:00–17:00 working hours).

00:0006:0012:0018:0024:00

BRT (São Paulo)

BST (London)

Overlap (4h)

Best call times between these locations

There is a 4-hour daily window where both locations are in business hours. The 3 best slots are listed below.

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

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

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

Working hours defined as 09:00–17:00 local time for each location.

Public holidays this year

⚡ Upcoming holidays in both locations, confirm with your contact before booking.

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

BST (London)7 holidays

Jun 15World Cup Bank HolidaySOON

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

BRT (São Paulo) and BST (London) — practical scheduling

BRT (São Paulo) (Brazil) and BST (London) (United Kingdom) are 4 hours apart. With a 4-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.

💡 Practical scheduling guidelines

✅

If you are in BRT (São Paulo), aim for 09:00–10:00, which corresponds to 13:00–14:00 in BST (London) — both teams are within working hours.

✅

If you are in BRT (São Paulo), aim for 10:00–11:00, which corresponds to 14:00–15:00 in BST (London) — both teams are within working hours.

✅

If you are in BRT (São Paulo), aim for 11:00–12:00, which corresponds to 15:00–16:00 in BST (London) — both teams are within working hours.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am BRT (São Paulo)".

BRT (São Paulo) ↔ BST (London)

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

BRT (São Paulo)

BST (London)

00:00

04:00

01:00

05:00

02:00

06:00

03:00

07:00

04:00

08:00

05:00

09:00Working

06:00

10:00Working

07:00

11:00Working

08:00

12:00Working

09:00Working

13:00Working

10:00Working

14:00Working

11:00Working

15:00Working

12:00Working

16:00Working

13:00Working

17:00off

14:00Working

18:00off

15:00Working

19:00off

16:00Working

20:00off

17:00

21:00

18:00

22:00

19:00

23:00

20:00

00:00+1d

21:00

01:00+1d

22:00

02:00+1d

23:00

03:00+1d

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

Frequently Asked Questions

What is the difference between brt and bst?

Brasilia Time (brt) is UTC-3 and British Summer Time (bst) is UTC+1. The difference between them is 4 hours.

Where is brt used?

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

Where is bst used?

British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.

How do I convert brt to bst?

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

Popular BRT conversions

BRT → London BRT → New York BRT → Tokyo BRT → Dubai BRT → Sydney BRT → Paris BRT → Berlin BRT → Singapore BRT → Los Angeles BRT → Toronto

Popular BST conversions

New York → BST Tokyo → BST Dubai → BST Sydney → BST Paris → BST Berlin → BST Singapore → BST Los Angeles → BST Toronto → BST Mumbai → BST