Constantine to Porto time converter

Constantine and Porto are on the same time. When it is 9:00 AM in Constantine, it is 9:00 AM in Porto.

Constantine CET

Saturday, October 17, 2026

Porto WEST

Saturday, October 17, 2026

Constantine
Algeria
Sat, Oct 17
CETUTC+1
Porto
Portugal
Sat, Oct 17
WESTUTC+1±0
Finding your time zone…
Shared working hours (9:00–18:00)

Constantine to Porto conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 17, 2026 – Oct 25, 2026: ±0
  • Oct 25, 2026 – Mar 28, 2027: -1h
  • Mar 28, 2027 – Oct 17, 2027: ±0

Distance

Constantine and Porto are 1,421 km (883 miles) apart in a straight line.

More conversions

Porto to ConstantineConstantine to New YorkConstantine to LondonConstantine to Los AngelesConstantine to ChicagoConstantine to TorontoConstantine to São PauloConstantine to ParisConstantine to BerlinConstantine to MoscowConstantine to DubaiConstantine to New DelhiConstantine 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 Constantine and Porto?

Constantine and Porto are on the same time.

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

When it is 9:00 AM in Constantine, it is 9:00 AM in Porto.

When is the best time to call Porto from Constantine?

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

Does the time difference between Constantine 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.