Porto to São Luís time converter

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

Porto WEST

Wednesday, October 21, 2026

São Luís BRT

Tuesday, October 20, 2026

Porto
Portugal
Wed, Oct 21
WESTUTC+1
São Luís
Maranhão, Brazil
Tue, Oct 20
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to São Luís conversion table

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

PortoSão Luís
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 Luís).

Daylight saving time and the difference

The difference changes during the year because Porto and São Luís 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 Luís are 6,051 km (3,760 miles) apart in a straight line.

More conversions

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New York to São LuísLondon to São LuísLos Angeles to São LuísChicago to São LuísToronto to São LuísSão Paulo to São LuísParis to São LuísBerlin to São LuísMoscow to São LuísDubai to São LuísNew Delhi to São LuísBangkok to São Luís

Questions and answers

What is the time difference between Porto and São Luís?

São Luís is 4 hours behind Porto.

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

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

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

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

Does the time difference between Porto and São Luís change?

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