Porto to Fonte Boa time converter

Fonte Boa is 5 hours behind Porto. When it is 9:00 AM in Porto, it is 4:00 AM in Fonte Boa.

Porto WEST

Wednesday, October 21, 2026

Fonte Boa AMT

Tuesday, October 20, 2026

Porto
Portugal
Wed, Oct 21
WESTUTC+1
Fonte Boa
Amazonas, Brazil
Tue, Oct 20
AMTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Fonte Boa conversion table

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

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

Best time to call or meet

Both sides are at work from 2:00 PM – 6:00 PM in Porto (9:00 AM – 1:00 PM in Fonte Boa).

Daylight saving time and the difference

The difference changes during the year because Porto and Fonte Boa switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 21, 2027: -5h

Distance

Porto and Fonte Boa are 7,555 km (4,694 miles) apart in a straight line.

More conversions

Fonte Boa to PortoPorto to New YorkPorto to LondonPorto to Los AngelesPorto to ChicagoPorto to TorontoPorto to São PauloPorto to ParisPorto to BerlinPorto to MoscowPorto to DubaiPorto to New DelhiPorto to Bangkok
New York to Fonte BoaLondon to Fonte BoaLos Angeles to Fonte BoaChicago to Fonte BoaToronto to Fonte BoaSão Paulo to Fonte BoaParis to Fonte BoaBerlin to Fonte BoaMoscow to Fonte BoaDubai to Fonte BoaNew Delhi to Fonte BoaBangkok to Fonte Boa

Questions and answers

What is the time difference between Porto and Fonte Boa?

Fonte Boa is 5 hours behind Porto.

What time is it in Fonte Boa when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 4:00 AM in Fonte Boa.

When is the best time to call Fonte Boa from Porto?

Both sides are at work from 2:00 PM – 6:00 PM in Porto (9:00 AM – 1:00 PM in Fonte Boa).

Does the time difference between Porto and Fonte Boa change?

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