Round Rock to Porto time converter

Porto is 6 hours ahead of Round Rock. When it is 9:00 AM in Round Rock, it is 3:00 PM in Porto.

Round Rock CDT

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Round Rock
Texas, United States
Tue, Oct 20
CDTUTC-5
Porto
Portugal
Tue, Oct 20
WESTUTC+1+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Round Rock to Porto conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 20, 2027: +6h

Distance

Round Rock and Porto are 7,766 km (4,826 miles) apart in a straight line.

More conversions

Porto to Round RockRound Rock to New YorkRound Rock to LondonRound Rock to Los AngelesRound Rock to ChicagoRound Rock to TorontoRound Rock to São PauloRound Rock to ParisRound Rock to BerlinRound Rock to MoscowRound Rock to DubaiRound Rock to New DelhiRound Rock 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 Round Rock and Porto?

Porto is 6 hours ahead of Round Rock.

What time is it in Porto when it is 9 AM in Round Rock?

When it is 9:00 AM in Round Rock, it is 3:00 PM in Porto.

When is the best time to call Porto from Round Rock?

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

Does the time difference between Round Rock 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.