Porto to São Mateus time converter

São Mateus is 4 hours behind Porto. When it is 9:00 AM in Porto, it is 5:00 AM in São Mateus.

Porto WEST

Wednesday, October 21, 2026

São Mateus BRT

Wednesday, October 21, 2026

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

Porto to São Mateus conversion table

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

PortoSão Mateus
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 São Mateus).

Daylight saving time and the difference

The difference changes during the year because Porto and São Mateus 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 São Mateus are 7,396 km (4,596 miles) apart in a straight line.

More conversions

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New York to São MateusLondon to São MateusLos Angeles to São MateusChicago to São MateusToronto to São MateusSão Paulo to São MateusParis to São MateusBerlin to São MateusMoscow to São MateusDubai to São MateusNew Delhi to São MateusBangkok to São Mateus

Questions and answers

What is the time difference between Porto and São Mateus?

São Mateus is 4 hours behind Porto.

What time is it in São Mateus when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 5:00 AM in São Mateus.

When is the best time to call São Mateus from Porto?

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

Does the time difference between Porto and São Mateus change?

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