Porto to Saint Charles time converter

Saint Charles is 6 hours behind Porto. When it is 9:00 AM in Porto, it is 3:00 AM in Saint Charles.

Porto WEST

Tuesday, October 20, 2026

Saint Charles CDT

Tuesday, October 20, 2026

Portugal
Tue, Oct 20
WESTUTC+1
Missouri, United States
Tue, Oct 20
CDTUTC-5-6h
Finding your time zone…

8:34 PM in Porto, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Porto to Saint Charles conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Porto (9:00 AM – 12:00 PM in Saint Charles).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 20, 2027: -6h

Distance

Porto and Saint Charles are 6,707 km (4,168 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Saint Charles?

Saint Charles is 6 hours behind Porto.

What time is it in Saint Charles when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 3:00 AM in Saint Charles.

When is the best time to call Saint Charles from Porto?

Both sides are at work from 3:00 PM – 6:00 PM in Porto (9:00 AM – 12:00 PM in Saint Charles).

Does the time difference between Porto and Saint Charles change?

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