Altamira to London time converter

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

Altamira BRT

Tuesday, October 20, 2026

London BST

Tuesday, October 20, 2026

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

Altamira to London conversion table

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

AltamiraLondon
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 Altamira (1:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Altamira 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

Altamira and London are 7,810 km (4,853 miles) apart in a straight line.

More conversions

London to AltamiraAltamira to New YorkAltamira to Los AngelesAltamira to ChicagoAltamira to TorontoAltamira to São PauloAltamira to ParisAltamira to BerlinAltamira to MoscowAltamira to DubaiAltamira to New DelhiAltamira to BangkokAltamira 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 Altamira and London?

London is 4 hours ahead of Altamira.

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

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

When is the best time to call London from Altamira?

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

Does the time difference between Altamira 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.