Porto to Siuna time converter

Siuna is 7 hours behind Porto. When it is 9:00 AM in Porto, it is 2:00 AM in Siuna.

Porto WEST

Monday, October 19, 2026

Siuna CST

Monday, October 19, 2026

Porto
Portugal
Mon, Oct 19
WESTUTC+1
Siuna
Nicaragua
Mon, Oct 19
CSTUTC-6-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Siuna conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Porto (9:00 AM – 11:00 AM in Siuna).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 19, 2027: -7h

Distance

Porto and Siuna are 7,857 km (4,882 miles) apart in a straight line.

More conversions

Siuna 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 SiunaLondon to SiunaLos Angeles to SiunaChicago to SiunaToronto to SiunaSão Paulo to SiunaParis to SiunaBerlin to SiunaMoscow to SiunaDubai to SiunaNew Delhi to SiunaBangkok to Siuna

Questions and answers

What is the time difference between Porto and Siuna?

Siuna is 7 hours behind Porto.

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

When it is 9:00 AM in Porto, it is 2:00 AM in Siuna.

When is the best time to call Siuna from Porto?

Both sides are at work from 4:00 PM – 6:00 PM in Porto (9:00 AM – 11:00 AM in Siuna).

Does the time difference between Porto and Siuna change?

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