Porto to Gustavia time converter

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

Porto WEST

Tuesday, October 20, 2026

Gustavia UTC-4

Tuesday, October 20, 2026

Portugal
Tue, Oct 20
WESTUTC+1
Saint Barthelemy
Tue, Oct 20
UTC-4-5h
Finding your time zone…

7:37 AM in Porto, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Porto to Gustavia conversion table

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

PortoGustavia
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 Gustavia).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 20, 2027: -5h

Distance

Porto and Gustavia are 5,739 km (3,566 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Gustavia?

Gustavia is 5 hours behind Porto.

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

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

When is the best time to call Gustavia from Porto?

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

Does the time difference between Porto and Gustavia change?

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