Beijing to Castro Valley time converter

Castro Valley is 15 hours behind Beijing. When it is 9:00 AM in Beijing, it is 6:00 PM (Mon, Oct 19) in Castro Valley.

Beijing CST

Tuesday, October 20, 2026

Castro Valley PDT

Tuesday, October 20, 2026

Beijing
China
Tue, Oct 20
CSTUTC+8
Castro Valley
California, United States
Tue, Oct 20
PDTUTC-7-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Beijing to Castro Valley conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Beijing (4:00 PM – 6:00 PM 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 Beijing and Castro Valley switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -15h
  • Nov 1, 2026 – Mar 14, 2027: -16h
  • Mar 14, 2027 – Oct 20, 2027: -15h

Distance

Beijing and Castro Valley are 9,529 km (5,921 miles) apart in a straight line.

More conversions

Castro Valley to BeijingBeijing to New YorkBeijing to LondonBeijing to Los AngelesBeijing to ChicagoBeijing to TorontoBeijing to São PauloBeijing to ParisBeijing to BerlinBeijing to MoscowBeijing to DubaiBeijing to New DelhiBeijing 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 Beijing and Castro Valley?

Castro Valley is 15 hours behind Beijing.

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

When it is 9:00 AM in Beijing, it is 6:00 PM (Mon, Oct 19) in Castro Valley.

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

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

Does the time difference between Beijing 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.