Thunder Bay to Porto time converter

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

Thunder Bay EDT

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Thunder Bay
Ontario, Canada
Tue, Oct 20
EDTUTC-4
Porto
Portugal
Tue, Oct 20
WESTUTC+1+5h
Finding your time zone…
Shared working hours (9:00–18:00)

Thunder Bay to Porto conversion table

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

Thunder BayPorto
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 Thunder Bay (2:00 PM – 6:00 PM in Porto).

Daylight saving time and the difference

The difference changes during the year because Thunder Bay 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

Thunder Bay and Porto are 6,118 km (3,802 miles) apart in a straight line.

More conversions

Porto to Thunder BayThunder Bay to New YorkThunder Bay to LondonThunder Bay to Los AngelesThunder Bay to ChicagoThunder Bay to TorontoThunder Bay to São PauloThunder Bay to ParisThunder Bay to BerlinThunder Bay to MoscowThunder Bay to DubaiThunder Bay to New DelhiThunder Bay 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 Thunder Bay and Porto?

Porto is 5 hours ahead of Thunder Bay.

What time is it in Porto when it is 9 AM in Thunder Bay?

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

When is the best time to call Porto from Thunder Bay?

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

Does the time difference between Thunder Bay 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.