Porto to Somerville time converter

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

Porto WEST

Tuesday, October 20, 2026

Somerville EDT

Tuesday, October 20, 2026

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

Porto to Somerville conversion table

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

PortoSomerville
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 Somerville).

Daylight saving time and the difference

The difference changes during the year because Porto and Somerville 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 Somerville are 5,063 km (3,146 miles) apart in a straight line.

More conversions

Somerville 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 SomervilleLondon to SomervilleLos Angeles to SomervilleChicago to SomervilleToronto to SomervilleSão Paulo to SomervilleParis to SomervilleBerlin to SomervilleMoscow to SomervilleDubai to SomervilleNew Delhi to SomervilleBangkok to Somerville

Questions and answers

What is the time difference between Porto and Somerville?

Somerville is 5 hours behind Porto.

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

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

When is the best time to call Somerville from Porto?

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

Does the time difference between Porto and Somerville change?

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