Porto to Aserrí time converter

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

Porto WEST

Tuesday, October 20, 2026

Aserrí CST

Monday, October 19, 2026

Porto
Portugal
Tue, Oct 20
WESTUTC+1
Aserrí
Costa Rica
Mon, Oct 19
CSTUTC-6-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Aserrí conversion table

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

PortoAserrí
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 Aserrí).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 20, 2027: -7h

Distance

Porto and Aserrí are 8,075 km (5,018 miles) apart in a straight line.

More conversions

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New York to AserríLondon to AserríLos Angeles to AserríChicago to AserríToronto to AserríSão Paulo to AserríParis to AserríBerlin to AserríMoscow to AserríDubai to AserríNew Delhi to AserríBangkok to Aserrí

Questions and answers

What is the time difference between Porto and Aserrí?

Aserrí is 7 hours behind Porto.

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

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

When is the best time to call Aserrí from Porto?

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

Does the time difference between Porto and Aserrí change?

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