Porto to Serra Negra time converter

Serra Negra is 4 hours behind Porto. When it is 9:00 AM in Porto, it is 5:00 AM in Serra Negra.

Porto WEST

Wednesday, October 21, 2026

Serra Negra BRT

Wednesday, October 21, 2026

Porto
Portugal
Wed, Oct 21
WESTUTC+1
Serra Negra
São Paulo, Brazil
Wed, Oct 21
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Serra Negra conversion table

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

PortoSerra Negra
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 Porto (9:00 AM – 2:00 PM in Serra Negra).

Daylight saving time and the difference

The difference changes during the year because Porto and Serra Negra 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

Porto and Serra Negra are 8,106 km (5,037 miles) apart in a straight line.

More conversions

Serra Negra 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 Serra NegraLondon to Serra NegraLos Angeles to Serra NegraChicago to Serra NegraToronto to Serra NegraSão Paulo to Serra NegraParis to Serra NegraBerlin to Serra NegraMoscow to Serra NegraDubai to Serra NegraNew Delhi to Serra NegraBangkok to Serra Negra

Questions and answers

What is the time difference between Porto and Serra Negra?

Serra Negra is 4 hours behind Porto.

What time is it in Serra Negra when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 5:00 AM in Serra Negra.

When is the best time to call Serra Negra from Porto?

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

Does the time difference between Porto and Serra Negra change?

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