Denver to Ho Chi Minh
+13hDenver
MDTSOURCEHo Chi Minh
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
MDT and ICT on the World Map
The map below highlights the MDT (Mountain Standard Time) and ICT (Indochina Time) timezone regions across the globe.
MST – Mountain Standard Time
UTC-07:00Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.
- •Arizona does not observe daylight saving time, staying on MST year-round.
- •The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
- •Denver, the 'Mile High City', is the largest city fully in MST.
- •MST covers 6 US states entirely and parts of several others.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
About Denver
WikipediaDenver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.
Denver International Airport is the largest airport in North America by land area.
About Ho Chi Minh
WikipediaHo Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.
The city has over 5 million motorbikes, outnumbering cars significantly.
Everything You Need to Know About Denver and Ho Chi Minh Time
Denver runs on Mountain Daylight Time (MDT) at UTC-06:00, currently observing daylight saving time. Ho Chi Minh runs on Indochina Time (ICT) at UTC+07:00. That puts Denver 13 hours ahead of Ho Chi Minh — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in Denver it is 10:00 PM in Ho Chi Minh. Midnight in Denver is 1:00 PM in Ho Chi Minh.Denver observes daylight saving time while Ho Chi Minh does not, so the gap narrows or widens by an hour part of the year.
Denver to Ho Chi Minh time conversion table
| Denver (MDT) | Ho Chi Minh (ICT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert Denver to Ho Chi Minh time
- Scheduling a call from Denver to Ho Chi Minh: a 10:00 AM start in Denver lands at 11:00 PM in Ho Chi Minh, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: Denver and Ho Chi Minh have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Ho Chi Minh is 10:00 PM in Denver.
- Keeping family and friends in sync: knowing that 8:00 PM in Denver is 9:00 AM in Ho Chi Minh makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a +13h gap is not.
- With a +13h gap there is no shared 9-to-5 window, so alternate the early start: one week Denver takes the early slot, the next week Ho Chi Minh does.
- Denver: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +13h gap.
About MST (Mountain Standard Time)
Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
Best time to call between Denver and Ho Chi Minh
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. Ho Chi Minh opens at 9:00 AM ICT, which is 10:00 PM in Denver, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Denver and Ho Chi Minh have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Denver is 13 hours ahead of Ho Chi Minh (MDT UTC-06:00 → ICT UTC+07:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Denver
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 2026
Ho Chi Minh
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Denver and Ho Chi Minh?
Denver (MDT, UTC-06:00) is 13 hours ahead of Ho Chi Minh (ICT, UTC+07:00). The gap is currently +13h.
How do I convert Denver time to Ho Chi Minh time?
Add +13h to Denver local time. For example, 9:00 AM in Denver is 10:00 PM in Ho Chi Minh.
What time is it in Ho Chi Minh right now?
Ho Chi Minh uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from Denver.
What is the best time to call Ho Chi Minh from Denver?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in Denver, which is 2:00 AM in Ho Chi Minh.
Which is ahead, Denver or Ho Chi Minh?
Denver is 13 hours ahead of Ho Chi Minh. When it is 12:00 PM in Denver it is 1:00 AM in Ho Chi Minh.
Do Denver and Ho Chi Minh use different time zones?
Denver (USA) uses MDT at UTC-06:00, while Ho Chi Minh (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are America/Denver and Asia/Ho_Chi_Minh.
Does daylight saving time affect the Denver–Ho Chi Minh difference?
Yes at the moment: Denver is on daylight saving time and Ho Chi Minh is not, so the +13h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Denver's time zone?
MDT also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.
Which countries use MDT, Denver's zone?
MDT is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Is there a day difference between Denver and Ho Chi Minh?
Sometimes. The +13h gap is large enough that 8:00 PM or later in Denver already falls on the next day in Ho Chi Minh.
What is the time difference between Denver and Ho Chi Minh?
Ho Chi Minh is +13h from Denver.
What timezone is Denver in?
Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.
What timezone is Ho Chi Minh in?
Ho Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.
What are the business hours in Denver?
Standard business hours in Denver are 8:00 AM - 5:00 PM MST.
What are the business hours in Ho Chi Minh?
Standard business hours in Ho Chi Minh are 8:00 AM - 5:00 PM ICT.
What is the best time to schedule a call between Denver and Ho Chi Minh?
The best overlap for a call is when both cities are in business hours. Denver works 8:00 AM - 5:00 PM MST and Ho Chi Minh works 8:00 AM - 5:00 PM ICT (+13h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Denver and Ho Chi Minh?
Denver uses USD ($) while Ho Chi Minh uses VND (₫). Check current exchange rates when planning travel or business between these cities.
How do Denver and Ho Chi Minh compare in size?
Denver has a population of approximately 715,000 (metro: 2.9 million), while Ho Chi Minh has approximately 9 million (metro: 13 million).
What are the major landmarks in Denver and Ho Chi Minh?
Denver is known for Red Rocks Amphitheatre, Denver Art Museum, Union Station. Ho Chi Minh is famous for Notre-Dame Cathedral, War Remnants Museum, Ben Thanh Market.
Do Denver and Ho Chi Minh have stock exchanges?
Yes. Denver has the N/A (Uses NYSE/NASDAQ) and Ho Chi Minh has the HOSE (Ho Chi Minh Stock Exchange). The +13h time difference affects trading hour overlaps between these exchanges.
Which countries use MST (Mountain Standard Time)?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Does MST observe daylight saving time?
Yes, MST switches to MDT during summer months.
What are some interesting facts about MST?
Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
Which cities are in the ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Denver, what time is it in Ho Chi Minh?
When it is 12:00 AM (midnight) in Denver (MST), it is +13h later in Ho Chi Minh (ICT).
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