Austin, TX to Castro Valley, CA: time difference
Castro Valley, CA is 2 h behind Austin, TX. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Austin, TX 03:44 3:44 AM Castro Valley, CA 01:44 1:44 AM You –:–
03:44 3:44 AM
Central Daylight Time · UTC-5
☀️ 07:38 · 🌙 18:54
01:44 1:44 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
·
−2 h
Castro Valley, CA is 2 h behind Austin, TX.
When you, Austin, TX and Castro Valley, CA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Austin, TX
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Castro Valley, CA
22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇺🇸 Castro Valley, CA |
|---|---|---|
| Local time | 03:44 | 01:44 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Central Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-5 | UTC-7 |
| Offset from Austin, TX | — | −2 h |
| IANA zone | America/Chicago | America/Los Angeles |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:38 | 07:24 |
| Sunset | 18:54 | 18:23 |
| Daylight | 11 h 15 min | 10 h 59 min |
| People on this clock | 974,447 | 61,388 |
Compare Austin, TX with another city
More comparisons with Austin, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Austin, TX and Castro Valley, CA: common questions
What is the time difference between Austin, TX, and Castro Valley, CA?
Castro Valley is 2 hours behind: it uses UTC−7, while Austin is on UTC−5.
What time is it in Castro Valley, CA, when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 7:00 AM in Castro Valley.
If it is 6:00 PM in Austin, TX, what time is it in Castro Valley, CA?
At 6:00 PM in Austin, clocks in Castro Valley show 4:00 PM.
Is there a time when both Austin, TX, and Castro Valley, CA, are at work?
Yes: from 11:00 AM to 6:00 PM in Austin (9:00 AM to 4:00 PM in Castro Valley), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Austin, TX, is it still yesterday in Castro Valley, CA?
Before 2:00 AM in Austin, the date in Castro Valley has not changed yet. From 10:00 PM in Castro Valley, it is already the next day in Austin.
Is the time difference between Austin, TX, and Castro Valley, CA, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 2 hours.
