Da Nang to Castro Valley, CA: time difference
Castro Valley, CA is 14 h behind Da Nang. 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.
Da Nang 18:41 6:41 PM Castro Valley, CA 04:41 4:41 AM You –:–
18:41 6:41 PM
Indochina Time · UTC+7
☀️ 05:42 · 🌙 17:23
04:41 4:41 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
·
−14 h
Castro Valley, CA is 14 h behind Da Nang.
When you, Da Nang 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
🇻🇳 Da Nang
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
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 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
📍 Your time
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- Early
- Working hours
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Time zones side by side
| Detail | 🇻🇳 Da Nang | 🇺🇸 Castro Valley, CA |
|---|---|---|
| Local time | 18:41 | 04:41 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Indochina Time | Pacific Daylight Time |
| UTC offset | UTC+7 | UTC-7 |
| Offset from Da Nang | — | −14 h |
| IANA zone | Asia/Ho Chi Minh | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 05:42 | 07:24 |
| Sunset | 17:23 | 18:23 |
| Daylight | 11 h 42 min | 10 h 59 min |
| People on this clock | 1,245,200 | 61,388 |
Compare Da Nang with another city
More comparisons with Da Nang: the time zones next to it and the far side of the clock.
Big time differences
Da Nang and Castro Valley, CA: common questions
What is the time difference between Da Nang and Castro Valley, CA?
Castro Valley is 14 hours behind: it uses UTC−7, while Da Nang is on UTC+7.
What time is it in Castro Valley, CA, when it is 9:00 AM in Da Nang?
When it is 9:00 AM in Da Nang, it is 7:00 PM (the previous day) in Castro Valley.
What time is it in Castro Valley, CA, when it is 6:00 PM in Da Nang?
When it is 6:00 PM in Da Nang, it is 4:00 AM in Castro Valley.
When is a good time to call Castro Valley, CA, from Da Nang?
Working hours (9:00 AM–6:00 PM) in Da Nang and in Castro Valley do not overlap. At 9:00 AM in Da Nang it is 7:00 PM (the previous day) in Castro Valley; when the working day starts in Castro Valley, it is 11:00 PM in Da Nang.
Until what time in Da Nang is it still yesterday in Castro Valley, CA?
Before 2:00 PM in Da Nang, the date in Castro Valley has not changed yet. From 10:00 AM in Castro Valley, it is already the next day in Da Nang.
Is the time difference between Da Nang and Castro Valley, CA, the same all year?
No. Only Castro Valley switches to summer time, so the gap changes twice a year. From November 1, 2026, Castro Valley will be 15 hours behind Da Nang.
