Porto to Boa Vista time converter

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

Porto WEST

Thursday, October 22, 2026

Boa Vista AMT

Thursday, October 22, 2026

Porto
Portugal
Thu, Oct 22
WESTUTC+1
Boa Vista
Roraima, Brazil
Thu, Oct 22
AMTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Boa Vista conversion table

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

PortoBoa Vista
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 Boa Vista).

Daylight saving time and the difference

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

  • Oct 22, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 22, 2027: -5h

Distance

Porto and Boa Vista are 6,710 km (4,169 miles) apart in a straight line.

More conversions

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New York to Boa VistaLondon to Boa VistaLos Angeles to Boa VistaChicago to Boa VistaToronto to Boa VistaSão Paulo to Boa VistaParis to Boa VistaBerlin to Boa VistaMoscow to Boa VistaDubai to Boa VistaNew Delhi to Boa VistaBangkok to Boa Vista

Questions and answers

What is the time difference between Porto and Boa Vista?

Boa Vista is 5 hours behind Porto.

What time is it in Boa Vista when it is 9 AM in Porto?

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

When is the best time to call Boa Vista from Porto?

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

Does the time difference between Porto and Boa Vista change?

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