London to São Marcos time converter

São Marcos is 4 hours behind London. When it is 9:00 AM in London, it is 5:00 AM in São Marcos.

London BST

Wednesday, October 21, 2026

São Marcos BRT

Wednesday, October 21, 2026

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

London to São Marcos conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because London and São Marcos switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 21, 2027: -4h

Distance

London and São Marcos are 10,237 km (6,361 miles) apart in a straight line.

More conversions

São Marcos to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to São MarcosLos Angeles to São MarcosChicago to São MarcosToronto to São MarcosSão Paulo to São MarcosParis to São MarcosBerlin to São MarcosMoscow to São MarcosDubai to São MarcosNew Delhi to São MarcosBangkok to São MarcosSingapore to São Marcos

Questions and answers

What is the time difference between London and São Marcos?

São Marcos is 4 hours behind London.

What time is it in São Marcos when it is 9 AM in London?

When it is 9:00 AM in London, it is 5:00 AM in São Marcos.

When is the best time to call São Marcos from London?

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

Does the time difference between London and São Marcos change?

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