Porto to Martha Lake time converter

Martha Lake is 8 hours behind Porto. When it is 9:00 AM in Porto, it is 1:00 AM in Martha Lake.

Porto WEST

Thursday, October 22, 2026

Martha Lake PDT

Wednesday, October 21, 2026

Porto
Portugal
Thu, Oct 22
WESTUTC+1
Martha Lake
Washington, United States
Wed, Oct 21
PDTUTC-7-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Martha Lake conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Porto (9:00 AM – 10:00 AM in Martha Lake).

Daylight saving time and the difference

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

  • Oct 22, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 22, 2027: -8h

Distance

Porto and Martha Lake are 8,164 km (5,073 miles) apart in a straight line.

More conversions

Martha Lake 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 Martha LakeLondon to Martha LakeLos Angeles to Martha LakeChicago to Martha LakeToronto to Martha LakeSão Paulo to Martha LakeParis to Martha LakeBerlin to Martha LakeMoscow to Martha LakeDubai to Martha LakeNew Delhi to Martha LakeBangkok to Martha Lake

Questions and answers

What is the time difference between Porto and Martha Lake?

Martha Lake is 8 hours behind Porto.

What time is it in Martha Lake when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 1:00 AM in Martha Lake.

When is the best time to call Martha Lake from Porto?

Both sides are at work from 5:00 PM – 6:00 PM in Porto (9:00 AM – 10:00 AM in Martha Lake).

Does the time difference between Porto and Martha Lake change?

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