Porto to North Potomac time converter

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

Porto WEST

Wednesday, October 21, 2026

North Potomac EDT

Wednesday, October 21, 2026

Porto
Portugal
Wed, Oct 21
WESTUTC+1
North Potomac
Maryland, United States
Wed, Oct 21
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to North Potomac conversion table

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

PortoNorth Potomac
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 Potomac).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -5h

Distance

Porto and North Potomac are 5,685 km (3,532 miles) apart in a straight line.

More conversions

North Potomac 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 PotomacLondon to North PotomacLos Angeles to North PotomacChicago to North PotomacToronto to North PotomacSão Paulo to North PotomacParis to North PotomacBerlin to North PotomacMoscow to North PotomacDubai to North PotomacNew Delhi to North PotomacBangkok to North Potomac

Questions and answers

What is the time difference between Porto and North Potomac?

North Potomac is 5 hours behind Porto.

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

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

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

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

Does the time difference between Porto and North Potomac change?

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