Zurich to Castro Valley time converter

Castro Valley is 9 hours behind Zurich. When it is 9:00 AM in Zurich, it is 12:00 AM in Castro Valley.

Zurich CEST

Wednesday, October 21, 2026

Castro Valley PDT

Tuesday, October 20, 2026

Zurich
Switzerland
Wed, Oct 21
CESTUTC+2
Castro Valley
California, United States
Tue, Oct 20
PDTUTC-7-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Zurich to Castro Valley conversion table

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

ZurichCastro Valley
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 Zurich (7:00 AM – 9:00 AM in Castro Valley): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Zurich and Castro Valley switch clocks on different dates:

  • Oct 21, 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 21, 2027: -9h

Distance

Zurich and Castro Valley are 9,364 km (5,819 miles) apart in a straight line.

More conversions

Castro Valley to ZurichZurich to New YorkZurich to LondonZurich to Los AngelesZurich to ChicagoZurich to TorontoZurich to São PauloZurich to ParisZurich to BerlinZurich to MoscowZurich to DubaiZurich to New DelhiZurich to Bangkok
New York to Castro ValleyLondon to Castro ValleyLos Angeles to Castro ValleyChicago to Castro ValleyToronto to Castro ValleySão Paulo to Castro ValleyParis to Castro ValleyBerlin to Castro ValleyMoscow to Castro ValleyDubai to Castro ValleyNew Delhi to Castro ValleyBangkok to Castro Valley

Questions and answers

What is the time difference between Zurich and Castro Valley?

Castro Valley is 9 hours behind Zurich.

What time is it in Castro Valley when it is 9 AM in Zurich?

When it is 9:00 AM in Zurich, it is 12:00 AM in Castro Valley.

When is the best time to call Castro Valley from Zurich?

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

Does the time difference between Zurich and Castro Valley change?

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