Great Falls, MT to Da Nang: time difference

Da Nang is 13 h ahead of Great Falls, MT. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇻🇳 Da Nang, Vietnam

47

10:11 AM · Sunday, October 11, 2026

  • Indochina Time
  • UTC+7
  • Daytime

☀️ 05:39 · 🌙 17:30 · 11 h 51 min

+13 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Great Falls, MT 21:11 9:11 PM Da Nang 10:11 10:11 AM
Great Falls, MT 21:11 9:11 PM Da Nang 10:11 10:11 AM You –:–
🇺🇸 Great Falls, MT

21:11 9:11 PM

Mountain Daylight Time · UTC-6

☀️ 07:37 · 🌙 18:48

🇻🇳 Da Nang

10:11 10:11 AM

Indochina Time · UTC+7

☀️ 05:39 · 🌙 17:30

⇄ Difference

+13 h

Da Nang is 13 h ahead of Great Falls, MT.

When you, Great Falls, MT 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
🇺🇸 Great Falls, MT
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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇺🇸 Great Falls, MT 🇻🇳 Da Nang
Local time 21:11 10:11
Local date Saturday, October 10, 2026 Sunday, October 11, 2026
Time zone Mountain Daylight Time Indochina Time
UTC offset UTC-6 UTC+7
Offset from Great Falls, MT — +13 h
IANA zone America/Denver Asia/Ho Chi Minh
Daylight saving On summer time → UTC-7, Nov 1, 01:00 Not observed
Sunrise 07:37 05:39
Sunset 18:48 17:30
Daylight 11 h 11 min 11 h 51 min
People on this clock 60,442 1,245,200

Compare Great Falls, MT with another city

More comparisons with Great Falls, MT: the time zones next to it and the far side of the clock.

Great Falls, MT and Da Nang: common questions

How many hours ahead of Great Falls, MT, is Da Nang?
The clocks in Da Nang are 13 hours ahead of those in Great Falls (UTC+7 and UTC−6).
What time is it in Da Nang when it is 9:00 AM in Great Falls, MT?
When it is 9:00 AM in Great Falls, it is 10:00 PM in Da Nang.
What time is it in Da Nang at the end of the working day in Great Falls, MT?
The working day in Great Falls ends at 6:00 PM; in Da Nang it is 7:00 AM (the next day) at that moment.
When do working hours in Great Falls, MT, and in Da Nang overlap?
They don't: there are no shared working hours. The start of the day in Great Falls (9:00 AM) is 10:00 PM in Da Nang, and the start of the day in Da Nang is 8:00 PM (the previous day) in Great Falls.
When does the date change in Da Nang compared with Great Falls, MT?
The new day starts in Da Nang earlier: at 11:00 AM in Great Falls it is already midnight there. Until 1:00 PM in Da Nang, Great Falls is still on the previous day.
Does the time gap between Great Falls, MT, and Da Nang change during the year?
Yes – daylight saving time is used in Great Falls but not in Da Nang. From November 1, 2026, Da Nang will be 14 hours ahead of Great Falls.
Show times on the 12-hour clock, temperatures in °F and distances in miles?