Boulder City to Porto time converter

Porto is 8 hours ahead of Boulder City. When it is 9:00 AM in Boulder City, it is 5:00 PM in Porto.

Boulder City PDT

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Boulder City
Nevada, United States
Tue, Oct 20
PDTUTC-7
Porto
Portugal
Tue, Oct 20
WESTUTC+1+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Boulder City to Porto conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Boulder City (5:00 PM – 6:00 PM in Porto).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 24, 2026: +8h
  • Oct 24, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Mar 27, 2027: +7h
  • Mar 27, 2027 – Oct 20, 2027: +8h

Distance

Boulder City and Porto are 8,618 km (5,355 miles) apart in a straight line.

More conversions

Porto to Boulder CityBoulder City to New YorkBoulder City to LondonBoulder City to Los AngelesBoulder City to ChicagoBoulder City to TorontoBoulder City to São PauloBoulder City to ParisBoulder City to BerlinBoulder City to MoscowBoulder City to DubaiBoulder City to New DelhiBoulder City 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 Boulder City and Porto?

Porto is 8 hours ahead of Boulder City.

What time is it in Porto when it is 9 AM in Boulder City?

When it is 9:00 AM in Boulder City, it is 5:00 PM in Porto.

When is the best time to call Porto from Boulder City?

Both sides are at work from 9:00 AM – 10:00 AM in Boulder City (5:00 PM – 6:00 PM in Porto).

Does the time difference between Boulder City 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.