Porto to Mãe do Rio time converter

Mãe do Rio is 4 hours behind Porto. When it is 9:00 AM in Porto, it is 5:00 AM in Mãe do Rio.

Porto WEST

Monday, October 19, 2026

Mãe do Rio BRT

Monday, October 19, 2026

Porto
Portugal
Mon, Oct 19
WESTUTC+1
Mãe do Rio
Pará, Brazil
Mon, Oct 19
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Mãe do Rio conversion table

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

PortoMãe do Rio
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 Mãe do Rio).

Daylight saving time and the difference

The difference changes during the year because Porto and Mãe do Rio switch clocks on different dates:

  • Oct 19, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 19, 2027: -4h

Distance

Porto and Mãe do Rio are 6,207 km (3,857 miles) apart in a straight line.

More conversions

Mãe do Rio 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 Mãe do RioLondon to Mãe do RioLos Angeles to Mãe do RioChicago to Mãe do RioToronto to Mãe do RioSão Paulo to Mãe do RioParis to Mãe do RioBerlin to Mãe do RioMoscow to Mãe do RioDubai to Mãe do RioNew Delhi to Mãe do RioBangkok to Mãe do Rio

Questions and answers

What is the time difference between Porto and Mãe do Rio?

Mãe do Rio is 4 hours behind Porto.

What time is it in Mãe do Rio when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 5:00 AM in Mãe do Rio.

When is the best time to call Mãe do Rio from Porto?

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

Does the time difference between Porto and Mãe do Rio change?

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