Riverside to Lisbon time converter

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

Riverside PDT

Sunday, October 18, 2026

Lisbon WEST

Sunday, October 18, 2026

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

Riverside to Lisbon conversion table

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

RiversideLisbon
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 Riverside (5:00 PM – 6:00 PM in Lisbon).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: +8h

Distance

Riverside and Lisbon are 9,069 km (5,635 miles) apart in a straight line.

More conversions

Lisbon to RiversideRiverside to New YorkRiverside to LondonRiverside to Los AngelesRiverside to ChicagoRiverside to TorontoRiverside to São PauloRiverside to ParisRiverside to BerlinRiverside to MoscowRiverside to DubaiRiverside to New DelhiRiverside 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 Riverside and Lisbon?

Lisbon is 8 hours ahead of Riverside.

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

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

When is the best time to call Lisbon from Riverside?

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

Does the time difference between Riverside 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.