Castro Valley, CA to Da Nang: time difference
Da Nang is 14 h ahead of Castro Valley, CA. 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.
Castro Valley, CA 22:57 10:57 PM Da Nang 12:57 12:57 PM You –:–
22:57 10:57 PM
Pacific Daylight Time · UTC-7
☀️ 07:23 · 🌙 18:24
12:57 12:57 PM
Indochina Time · UTC+7
☀️ 05:42 · 🌙 17:23
·
+14 h
Da Nang is 14 h ahead of Castro Valley, CA.
When you, Castro Valley, CA and Da Nang are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Castro Valley, CA
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
🇻🇳 Da Nang
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 10 10 AM 11 11 AM 12 12 PM 13 1 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Castro Valley, CA | 🇻🇳 Da Nang |
|---|---|---|
| Local time | 22:57 | 12:57 |
| Local date | Wednesday, October 21, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Indochina Time |
| UTC offset | UTC-7 | UTC+7 |
| Offset from Castro Valley, CA | — | +14 h |
| IANA zone | America/Los Angeles | Asia/Ho Chi Minh |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:23 | 05:42 |
| Sunset | 18:24 | 17:23 |
| Daylight | 11 h 1 min | 11 h 42 min |
| People on this clock | 61,388 | 1,245,200 |
Compare Castro Valley, CA with another city
More comparisons with Castro Valley, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castro Valley, CA and Da Nang: common questions
How many hours ahead of Castro Valley, CA, is Da Nang?
The clocks in Da Nang are 14 hours ahead of those in Castro Valley (UTC+7 and UTC−7).
What time is it in Da Nang at the start of the working day in Castro Valley, CA?
The working day in Castro Valley starts at 9:00 AM; in Da Nang it is 11:00 PM at that moment.
What time is it in Da Nang at the end of the working day in Castro Valley, CA?
The working day in Castro Valley ends at 6:00 PM; in Da Nang it is 8:00 AM (the next day) at that moment.
When do working hours in Castro Valley, CA, and in Da Nang overlap?
They don't: there are no shared working hours. The start of the day in Castro Valley (9:00 AM) is 11:00 PM in Da Nang, and the start of the day in Da Nang is 7:00 PM (the previous day) in Castro Valley.
From what time in Castro Valley, CA, is it tomorrow in Da Nang?
Once it is 10:00 AM in Castro Valley, the date in Da Nang has already changed. Until 2:00 PM in Da Nang, it is still the previous day in Castro Valley.
Does the time gap between Castro Valley, CA, and Da Nang change during the year?
Yes – daylight saving time is used in Castro Valley but not in Da Nang. From November 1, 2026, Da Nang will be 15 hours ahead of Castro Valley.
