Castro Valley to Beijing time converter

Beijing is 15 hours ahead of Castro Valley. When it is 9:00 AM in Castro Valley, it is 12:00 AM (Tue, Oct 20) in Beijing.

Castro Valley PDT

Monday, October 19, 2026

Beijing CST

Tuesday, October 20, 2026

Castro Valley
California, United States
Mon, Oct 19
PDTUTC-7
Beijing
China
Tue, Oct 20
CSTUTC+8+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Castro Valley to Beijing conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 19, 2027: +15h

Distance

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

More conversions

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New York to BeijingLondon to BeijingLos Angeles to BeijingChicago to BeijingToronto to BeijingSão Paulo to BeijingParis to BeijingBerlin to BeijingMoscow to BeijingDubai to BeijingNew Delhi to BeijingBangkok to Beijing

Questions and answers

What is the time difference between Castro Valley and Beijing?

Beijing is 15 hours ahead of Castro Valley.

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

When it is 9:00 AM in Castro Valley, it is 12:00 AM (Tue, Oct 20) in Beijing.

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

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

Does the time difference between Castro Valley and Beijing change?

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