London to Mariana time converter

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

London BST

Tuesday, October 20, 2026

Mariana BRT

Monday, October 19, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Mariana
Minas Gerais, Brazil
Mon, Oct 19
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Mariana conversion table

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

LondonMariana
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 Mariana).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 20, 2027: -4h

Distance

London and Mariana are 9,034 km (5,613 miles) apart in a straight line.

More conversions

Mariana 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 MarianaLos Angeles to MarianaChicago to MarianaToronto to MarianaSão Paulo to MarianaParis to MarianaBerlin to MarianaMoscow to MarianaDubai to MarianaNew Delhi to MarianaBangkok to MarianaSingapore to Mariana

Questions and answers

What is the time difference between London and Mariana?

Mariana is 4 hours behind London.

What time is it in Mariana when it is 9 AM in London?

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

When is the best time to call Mariana from London?

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

Does the time difference between London and Mariana change?

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