Da Nang to Castle Rock, CO: time difference
Castle Rock, CO is 13 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 02:01 2:01 AM Castle Rock, CO 13:01 1:01 PM You –:–
02:01 2:01 AM
Indochina Time · UTC+7
☀️ 05:39 · 🌙 17:30
13:01 1:01 PM
Mountain Daylight Time · UTC-6
☀️ 07:05 · 🌙 18:29
·
−13 h
Castle Rock, CO is 13 h behind Da Nang.
When you, Da Nang and Castle Rock, CO 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
🇺🇸 Castle Rock, CO
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 10 10 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇻🇳 Da Nang | 🇺🇸 Castle Rock, CO |
|---|---|---|
| Local time | 02:01 | 13:01 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | Mountain Daylight Time |
| UTC offset | UTC+7 | UTC-6 |
| Offset from Da Nang | — | −13 h |
| IANA zone | Asia/Ho Chi Minh | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:39 | 07:05 |
| Sunset | 17:30 | 18:29 |
| Daylight | 11 h 51 min | 11 h 25 min |
| People on this clock | 1,245,200 | 73,158 |
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 Castle Rock, CO: common questions
What is the time difference between Da Nang and Castle Rock, CO?
Castle Rock is 13 hours behind: it uses UTC−6, while Da Nang is on UTC+7.
If it is 9:00 AM in Da Nang, what time is it in Castle Rock, CO?
At 9:00 AM in Da Nang, clocks in Castle Rock show 8:00 PM (the previous day).
If it is 6:00 PM in Da Nang, what time is it in Castle Rock, CO?
At 6:00 PM in Da Nang, clocks in Castle Rock show 5:00 AM.
When do working hours in Da Nang and in Castle Rock, CO, overlap?
They don't: there are no shared working hours. The start of the day in Da Nang (9:00 AM) is 8:00 PM (the previous day) in Castle Rock, and the start of the day in Castle Rock is 10:00 PM in Da Nang.
When is it still the previous day in Castle Rock, CO?
Until 1:00 PM in Da Nang it is still the previous day in Castle Rock. The other way round, from 11:00 AM in Castle Rock it is already the next day in Da Nang.
Is the time difference between Da Nang and Castle Rock, CO, the same all year?
No. Only Castle Rock switches to summer time, so the gap changes twice a year. From November 1, 2026, Castle Rock will be 14 hours behind Da Nang.
