Geneva to Altadena time converter

Altadena is 9 hours behind Geneva. When it is 9:00 AM in Geneva, it is 12:00 AM in Altadena.

Geneva CEST

Tuesday, October 20, 2026

Altadena PDT

Monday, October 19, 2026

Geneva
Switzerland
Tue, Oct 20
CESTUTC+2
Altadena
California, United States
Mon, Oct 19
PDTUTC-7-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Geneva to Altadena conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Geneva (7:00 AM – 9:00 AM in Altadena): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Geneva and Altadena switch clocks on different dates:

  • Oct 20, 2026 – Oct 25, 2026: -9h
  • Oct 25, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 20, 2027: -9h

Distance

Geneva and Altadena are 9,477 km (5,889 miles) apart in a straight line.

More conversions

Altadena to GenevaGeneva to New YorkGeneva to LondonGeneva to Los AngelesGeneva to ChicagoGeneva to TorontoGeneva to São PauloGeneva to ParisGeneva to BerlinGeneva to MoscowGeneva to DubaiGeneva to New DelhiGeneva to Bangkok
New York to AltadenaLondon to AltadenaLos Angeles to AltadenaChicago to AltadenaToronto to AltadenaSão Paulo to AltadenaParis to AltadenaBerlin to AltadenaMoscow to AltadenaDubai to AltadenaNew Delhi to AltadenaBangkok to Altadena

Questions and answers

What is the time difference between Geneva and Altadena?

Altadena is 9 hours behind Geneva.

What time is it in Altadena when it is 9 AM in Geneva?

When it is 9:00 AM in Geneva, it is 12:00 AM in Altadena.

When is the best time to call Altadena from Geneva?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Geneva (7:00 AM – 9:00 AM in Altadena): working hours on one side, early or late on the other.

Does the time difference between Geneva and Altadena change?

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