Porto to Sint Maarten time converter

Sint Maarten is 5 hours behind Porto. When it is 9:00 AM in Porto, it is 4:00 AM in Sint Maarten.

Porto WEST

Wednesday, October 21, 2026

Sint Maarten UTC-4

Tuesday, October 20, 2026

Porto
Portugal
Wed, Oct 21
WESTUTC+1
Sint Maarten
Tue, Oct 20
UTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Sint Maarten conversion table

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

PortoSint Maarten
12:00 AM7:00 PM−1 day
1:00 AM8:00 PM−1 day
2:00 AM9:00 PM−1 day
3:00 AM10:00 PM−1 day
4:00 AM11:00 PM−1 day
5:00 AM12:00 AM
6:00 AM1:00 AM
7:00 AM2:00 AM
8:00 AM3:00 AM
9:00 AM4:00 AM
10:00 AM5:00 AM
11:00 AM6:00 AM
12:00 PM7:00 AM
1:00 PM8:00 AM
2:00 PM9:00 AM
3:00 PM10:00 AM
4:00 PM11:00 AM
5:00 PM12:00 PM
6:00 PM1:00 PM
7:00 PM2:00 PM
8:00 PM3:00 PM
9:00 PM4:00 PM
10:00 PM5:00 PM
11:00 PM6:00 PM

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Porto and Sint Maarten switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 21, 2027: -5h

More conversions

Sint Maarten 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 Sint MaartenLondon to Sint MaartenLos Angeles to Sint MaartenChicago to Sint MaartenToronto to Sint MaartenSão Paulo to Sint MaartenParis to Sint MaartenBerlin to Sint MaartenMoscow to Sint MaartenDubai to Sint MaartenNew Delhi to Sint MaartenBangkok to Sint Maarten

Questions and answers

What is the time difference between Porto and Sint Maarten?

Sint Maarten is 5 hours behind Porto.

What time is it in Sint Maarten when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 4:00 AM in Sint Maarten.

When is the best time to call Sint Maarten from Porto?

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

Does the time difference between Porto and Sint Maarten change?

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