Rosemont to Lisbon time converter

Lisbon is 8 hours ahead of Rosemont. When it is 9:00 AM in Rosemont, it is 5:00 PM in Lisbon.

Rosemont PDT

Monday, October 19, 2026

Lisbon WEST

Tuesday, October 20, 2026

Rosemont
California, United States
Mon, Oct 19
PDTUTC-7
Lisbon
Portugal
Tue, Oct 20
WESTUTC+1+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Rosemont to Lisbon conversion table

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

RosemontLisbon
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 Rosemont (5:00 PM – 6:00 PM in Lisbon).

Daylight saving time and the difference

The difference changes during the year because Rosemont and Lisbon switch clocks on different dates:

  • Oct 19, 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 19, 2027: +8h

Distance

Rosemont and Lisbon are 8,989 km (5,586 miles) apart in a straight line.

More conversions

Lisbon to RosemontRosemont to New YorkRosemont to LondonRosemont to Los AngelesRosemont to ChicagoRosemont to TorontoRosemont to São PauloRosemont to ParisRosemont to BerlinRosemont to MoscowRosemont to DubaiRosemont to New DelhiRosemont to Bangkok
New York to LisbonLondon to LisbonLos Angeles to LisbonChicago to LisbonToronto to LisbonSão Paulo to LisbonParis to LisbonBerlin to LisbonMoscow to LisbonDubai to LisbonNew Delhi to LisbonBangkok to Lisbon

Questions and answers

What is the time difference between Rosemont and Lisbon?

Lisbon is 8 hours ahead of Rosemont.

What time is it in Lisbon when it is 9 AM in Rosemont?

When it is 9:00 AM in Rosemont, it is 5:00 PM in Lisbon.

When is the best time to call Lisbon from Rosemont?

Both sides are at work from 9:00 AM – 10:00 AM in Rosemont (5:00 PM – 6:00 PM in Lisbon).

Does the time difference between Rosemont and Lisbon change?

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