Boulder, CO to Da Nang: time difference
Da Nang is 13 h ahead of Boulder, CO. 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.
Boulder, CO 09:13 9:13 AM Da Nang 22:13 10:13 PM You –:–
09:13 9:13 AM
Mountain Daylight Time · UTC-6
☀️ 07:19 · 🌙 18:17
22:13 10:13 PM
Indochina Time · UTC+7
☀️ 05:41 · 🌙 17:24
·
+13 h
Da Nang is 13 h ahead of Boulder, CO.
When you, Boulder, CO 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
🇺🇸 Boulder, CO
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
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 11 11 AM 12 12 PM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Boulder, CO | 🇻🇳 Da Nang |
|---|---|---|
| Local time | 09:13 | 22:13 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Mountain Daylight Time | Indochina Time |
| UTC offset | UTC-6 | UTC+7 |
| Offset from Boulder, CO | — | +13 h |
| IANA zone | America/Denver | Asia/Ho Chi Minh |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:19 | 05:41 |
| Sunset | 18:17 | 17:24 |
| Daylight | 10 h 58 min | 11 h 43 min |
| People on this clock | 106,803 | 1,245,200 |
Compare Boulder, CO with another city
More comparisons with Boulder, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boulder, CO and Da Nang: common questions
How many hours ahead of Boulder, CO, is Da Nang?
The clocks in Da Nang are 13 hours ahead of those in Boulder (UTC+7 and UTC−6).
If it is 9:00 AM in Boulder, CO, what time is it in Da Nang?
At 9:00 AM in Boulder, clocks in Da Nang show 10:00 PM.
What time is it in Da Nang when it is 6:00 PM in Boulder, CO?
When it is 6:00 PM in Boulder, it is 7:00 AM (the next day) in Da Nang.
Is there a time when both Boulder, CO, and Da Nang are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Boulder at 9:00 AM, it is 10:00 PM in Da Nang; the day in Da Nang starts at 8:00 PM (the previous day) in Boulder time.
When is it already the next day in Da Nang?
From 11:00 AM in Boulder, CO, it is already the next day in Da Nang. The other way round, until 1:00 PM in Da Nang it is still the previous day in Boulder.
Does the time difference between Boulder, CO, and Da Nang change?
Yes. The clocks change only in Boulder. From November 1, 2026, Da Nang will be 14 hours ahead of Boulder.
