Porto to Thornhill time converter

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

Porto WEST

Tuesday, October 20, 2026

Thornhill EDT

Tuesday, October 20, 2026

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

Porto to Thornhill conversion table

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

PortoThornhill
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 Thornhill).

Daylight saving time and the difference

The difference changes during the year because Porto and Thornhill 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 Thornhill are 5,631 km (3,499 miles) apart in a straight line.

More conversions

Thornhill 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 ThornhillLondon to ThornhillLos Angeles to ThornhillChicago to ThornhillToronto to ThornhillSão Paulo to ThornhillParis to ThornhillBerlin to ThornhillMoscow to ThornhillDubai to ThornhillNew Delhi to ThornhillBangkok to Thornhill

Questions and answers

What is the time difference between Porto and Thornhill?

Thornhill is 5 hours behind Porto.

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

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

When is the best time to call Thornhill from Porto?

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

Does the time difference between Porto and Thornhill change?

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