Merrimack to Porto time converter

Porto is 5 hours ahead of Merrimack. When it is 9:00 AM in Merrimack, it is 2:00 PM in Porto.

Merrimack EDT

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

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

Merrimack to Porto conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 24, 2026: +5h
  • Oct 24, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Mar 27, 2027: +4h
  • Mar 27, 2027 – Oct 20, 2027: +5h

Distance

Merrimack and Porto are 5,075 km (3,153 miles) apart in a straight line.

More conversions

Porto to MerrimackMerrimack to New YorkMerrimack to LondonMerrimack to Los AngelesMerrimack to ChicagoMerrimack to TorontoMerrimack to São PauloMerrimack to ParisMerrimack to BerlinMerrimack to MoscowMerrimack to DubaiMerrimack to New DelhiMerrimack to Bangkok
New York to PortoLondon to PortoLos Angeles to PortoChicago to PortoToronto to PortoSão Paulo to PortoParis to PortoBerlin to PortoMoscow to PortoDubai to PortoNew Delhi to PortoBangkok to Porto

Questions and answers

What is the time difference between Merrimack and Porto?

Porto is 5 hours ahead of Merrimack.

What time is it in Porto when it is 9 AM in Merrimack?

When it is 9:00 AM in Merrimack, it is 2:00 PM in Porto.

When is the best time to call Porto from Merrimack?

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

Does the time difference between Merrimack and Porto change?

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