Porto to North Haven time converter

North Haven is 5 hours behind Porto. When it is 9:00 AM in Porto, it is 4:00 AM in North Haven.

Porto WEST

Tuesday, October 20, 2026

North Haven EDT

Tuesday, October 20, 2026

Porto
Portugal
Tue, Oct 20
WESTUTC+1
North Haven
Connecticut, United States
Tue, Oct 20
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to North Haven conversion table

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

PortoNorth Haven
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 North Haven).

Daylight saving time and the difference

The difference changes during the year because Porto and North Haven switch clocks on different dates:

  • Oct 20, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 20, 2027: -5h

Distance

Porto and North Haven are 5,239 km (3,255 miles) apart in a straight line.

More conversions

North Haven 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 North HavenLondon to North HavenLos Angeles to North HavenChicago to North HavenToronto to North HavenSão Paulo to North HavenParis to North HavenBerlin to North HavenMoscow to North HavenDubai to North HavenNew Delhi to North HavenBangkok to North Haven

Questions and answers

What is the time difference between Porto and North Haven?

North Haven is 5 hours behind Porto.

What time is it in North Haven when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 4:00 AM in North Haven.

When is the best time to call North Haven from Porto?

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

Does the time difference between Porto and North Haven change?

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