Castro Valley to Taipei time converter

Taipei is 15 hours ahead of Castro Valley. When it is 9:00 AM in Castro Valley, it is 12:00 AM (Wed, Oct 21) in Taipei.

Castro Valley PDT

Tuesday, October 20, 2026

Taipei CST

Wednesday, October 21, 2026

Castro Valley
California, United States
Tue, Oct 20
PDTUTC-7
Taipei
Taiwan
Wed, Oct 21
CSTUTC+8+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Castro Valley to Taipei conversion table

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

Castro ValleyTaipei
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 Taipei): 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 Taipei 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

Castro Valley and Taipei are 10,388 km (6,455 miles) apart in a straight line.

More conversions

Taipei to Castro ValleyCastro Valley to New YorkCastro Valley to LondonCastro Valley to Los AngelesCastro Valley to ChicagoCastro Valley to TorontoCastro Valley to São PauloCastro Valley to ParisCastro Valley to BerlinCastro Valley to MoscowCastro Valley to DubaiCastro Valley to New DelhiCastro Valley to Bangkok
New York to TaipeiLondon to TaipeiLos Angeles to TaipeiChicago to TaipeiToronto to TaipeiSão Paulo to TaipeiParis to TaipeiBerlin to TaipeiMoscow to TaipeiDubai to TaipeiNew Delhi to TaipeiBangkok to Taipei

Questions and answers

What is the time difference between Castro Valley and Taipei?

Taipei is 15 hours ahead of Castro Valley.

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

When it is 9:00 AM in Castro Valley, it is 12:00 AM (Wed, Oct 21) in Taipei.

When is the best time to call Taipei 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 Taipei): working hours on one side, early or late on the other.

Does the time difference between Castro Valley and Taipei change?

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