Casa Branca to London time converter

London is 4 hours ahead of Casa Branca. When it is 9:00 AM in Casa Branca, it is 1:00 PM in London.

Casa Branca BRT

Wednesday, October 21, 2026

London BST

Wednesday, October 21, 2026

Casa Branca
São Paulo, Brazil
Wed, Oct 21
BRTUTC-3
London
United Kingdom
Wed, Oct 21
BSTUTC+1+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Casa Branca to London conversion table

Every hour of today in Casa Branca and the matching time in London. Light rows are typical working hours (9:00–18:00).

Casa BrancaLondon
12:00 AM4:00 AM
1:00 AM5:00 AM
2:00 AM6:00 AM
3:00 AM7:00 AM
4:00 AM8:00 AM
5:00 AM9:00 AM
6:00 AM10:00 AM
7:00 AM11:00 AM
8:00 AM12:00 PM
9:00 AM1:00 PM
10:00 AM2:00 PM
11:00 AM3:00 PM
12:00 PM4:00 PM
1:00 PM5:00 PM
2:00 PM6:00 PM
3:00 PM7:00 PM
4:00 PM8:00 PM
5:00 PM9:00 PM
6:00 PM10:00 PM
7:00 PM11:00 PM
8:00 PM12:00 AM+1 day
9:00 PM1:00 AM+1 day
10:00 PM2:00 AM+1 day
11:00 PM3:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Casa Branca (1:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Casa Branca and London switch clocks on different dates:

  • Oct 21, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 21, 2027: +4h

Distance

Casa Branca and London are 9,343 km (5,805 miles) apart in a straight line.

More conversions

London to Casa BrancaCasa Branca to New YorkCasa Branca to Los AngelesCasa Branca to ChicagoCasa Branca to TorontoCasa Branca to São PauloCasa Branca to ParisCasa Branca to BerlinCasa Branca to MoscowCasa Branca to DubaiCasa Branca to New DelhiCasa Branca to BangkokCasa Branca to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Casa Branca and London?

London is 4 hours ahead of Casa Branca.

What time is it in London when it is 9 AM in Casa Branca?

When it is 9:00 AM in Casa Branca, it is 1:00 PM in London.

When is the best time to call London from Casa Branca?

Both sides are at work from 9:00 AM – 2:00 PM in Casa Branca (1:00 PM – 6:00 PM in London).

Does the time difference between Casa Branca and London change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.