Porto to Markham time converter

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

Porto WEST

Saturday, October 17, 2026

Markham EDT

Friday, October 16, 2026

Porto
Portugal
Sat, Oct 17
WESTUTC+1
Markham
Ontario, Canada
Fri, Oct 16
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Markham conversion table

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

PortoMarkham
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 Markham).

Daylight saving time and the difference

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

  • Oct 17, 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 17, 2027: -5h

Distance

Porto and Markham are 5,617 km (3,490 miles) apart in a straight line.

More conversions

Markham 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 MarkhamLondon to MarkhamLos Angeles to MarkhamChicago to MarkhamToronto to MarkhamSão Paulo to MarkhamParis to MarkhamBerlin to MarkhamMoscow to MarkhamDubai to MarkhamNew Delhi to MarkhamBangkok to Markham

Questions and answers

What is the time difference between Porto and Markham?

Markham is 5 hours behind Porto.

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

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

When is the best time to call Markham from Porto?

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

Does the time difference between Porto and Markham change?

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