Porto to Rio Maria time converter

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

Porto WEST

Wednesday, October 21, 2026

Rio Maria BRT

Wednesday, October 21, 2026

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

Porto to Rio Maria conversion table

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

PortoRio Maria
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 Rio Maria).

Daylight saving time and the difference

The difference changes during the year because Porto and Rio Maria 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 Rio Maria are 6,845 km (4,253 miles) apart in a straight line.

More conversions

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New York to Rio MariaLondon to Rio MariaLos Angeles to Rio MariaChicago to Rio MariaToronto to Rio MariaSão Paulo to Rio MariaParis to Rio MariaBerlin to Rio MariaMoscow to Rio MariaDubai to Rio MariaNew Delhi to Rio MariaBangkok to Rio Maria

Questions and answers

What is the time difference between Porto and Rio Maria?

Rio Maria is 4 hours behind Porto.

What time is it in Rio Maria when it is 9 AM in Porto?

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

When is the best time to call Rio Maria from Porto?

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

Does the time difference between Porto and Rio Maria change?

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