Santo Tomé to London time converter

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

Santo Tomé ART

Tuesday, October 20, 2026

London BST

Wednesday, October 21, 2026

Santo Tomé
Argentina
Tue, Oct 20
ARTUTC-3
London
United Kingdom
Wed, Oct 21
BSTUTC+1+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Santo Tomé to London conversion table

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

Santo ToméLondon
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 Santo Tomé (1:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Santo Tomé and London switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 20, 2027: +4h

Distance

Santo Tomé and London are 10,974 km (6,819 miles) apart in a straight line.

More conversions

London to Santo ToméSanto Tomé to New YorkSanto Tomé to Los AngelesSanto Tomé to ChicagoSanto Tomé to TorontoSanto Tomé to São PauloSanto Tomé to ParisSanto Tomé to BerlinSanto Tomé to MoscowSanto Tomé to DubaiSanto Tomé to New DelhiSanto Tomé to BangkokSanto Tomé 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 Santo Tomé and London?

London is 4 hours ahead of Santo Tomé.

What time is it in London when it is 9 AM in Santo Tomé?

When it is 9:00 AM in Santo Tomé, it is 1:00 PM in London.

When is the best time to call London from Santo Tomé?

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

Does the time difference between Santo Tomé 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.