Biysk to Porto time converter

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

Biysk UTC+7

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Biysk
Altai Krai, Russia
Tue, Oct 20
UTC+7
Porto
Portugal
Tue, Oct 20
WESTUTC+1-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Biysk to Porto conversion table

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

BiyskPorto
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 Biysk (9:00 AM – 12:00 PM in Porto).

Daylight saving time and the difference

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

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

Distance

Biysk and Porto are 6,731 km (4,182 miles) apart in a straight line.

More conversions

Porto to BiyskBiysk to New YorkBiysk to LondonBiysk to Los AngelesBiysk to ChicagoBiysk to TorontoBiysk to São PauloBiysk to ParisBiysk to BerlinBiysk to MoscowBiysk to DubaiBiysk to New DelhiBiysk to Bangkok
New York to PortoLondon to PortoLos Angeles to PortoChicago to PortoToronto to PortoSão Paulo to PortoParis to PortoBerlin to PortoMoscow to PortoDubai to PortoNew Delhi to PortoBangkok to Porto

Questions and answers

What is the time difference between Biysk and Porto?

Porto is 6 hours behind Biysk.

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

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

When is the best time to call Porto from Biysk?

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

Does the time difference between Biysk and Porto change?

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