AKST to Vietnam
+16hAKST
AKSTSOURCEVietnam
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
AKST and ICT on the World Map
The map below highlights the AKST (Alaska Standard Time) and ICT (Indochina Time) timezone regions across the globe.
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •Alaska is the largest US state by area but has only about 730,000 residents.
- •Anchorage is the most populous city in AKST with about 290,000 people.
- •The Aleutian Islands use HAST instead of AKST.
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.
Everything You Need to Know About AKST and Vietnam Time
AKST runs on Alaska Standard Time (AKST) at UTC-09:00. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts AKST 16 hours ahead of Vietnam — a difference of +16h at the current offsets.
In practice, when it is 9:00 AM in AKST it is 1:00 AM in Vietnam on the next day. Midnight in AKST is 4:00 PM in Vietnam. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AKST to Vietnam time conversion table
| AKST (AKST) | Vietnam (ICT) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | same day |
| 6:00 AM | 10:00 PM | same day |
| 7:00 AM | 11:00 PM | same day |
| 8:00 AM | 12:00 AM | next day |
| 9:00 AM | 1:00 AM | next day |
| 12:00 PM | 4:00 AM | next day |
| 3:00 PM | 7:00 AM | next day |
| 5:00 PM | 9:00 AM | next day |
| 6:00 PM | 10:00 AM | next day |
| 9:00 PM | 1:00 PM | next day |
Why people convert AKST to Vietnam time
- Scheduling a call from AKST to Vietnam: a 10:00 AM start in AKST lands at 2:00 AM in Vietnam the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +16h gap: AKST and Vietnam 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 Vietnam is 1:00 AM in AKST.
- Keeping family and friends in sync: knowing that 8:00 PM in AKST is 12:00 PM in Vietnam makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKST" is unambiguous; "3 PM" across a +16h gap is not.
- With a +16h gap there is no shared 9-to-5 window, so alternate the early start: one week AKST takes the early slot, the next week Vietnam does.
About AKST (Alaska Standard Time)
Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).
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 AKST and Vietnam
With a +16h offset there is no overlap inside a normal 9 AM – 5 PM day. Vietnam opens at 9:00 AM ICT, which is 1:00 AM in AKST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AKST and Vietnam have no shared working hours because of the +16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AKST is 16 hours ahead of Vietnam (AKST UTC-09:00 → 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
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
Vietnam
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 AKST and Vietnam?
AKST (AKST, UTC-09:00) is 16 hours ahead of Vietnam (ICT, UTC+07:00). The gap is currently +16h.
How do I convert AKST time to Vietnam time?
Add +16h to AKST local time. For example, 9:00 AM in AKST is 1:00 AM in Vietnam (next day).
What time is it in Vietnam right now?
Vietnam 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 +16h offset from AKST.
What is the best time to call Vietnam from AKST?
There is no shared working-hours window because of the +16h gap. The closest option is 1:00 PM in AKST, which is 5:00 AM in Vietnam.
Which is ahead, AKST or Vietnam?
AKST is 16 hours ahead of Vietnam. When it is 12:00 PM in AKST it is 4:00 AM in Vietnam.
Do AKST and Vietnam use different time zones?
AKST uses AKST at UTC-09:00, while Vietnam (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are America/Anchorage and Asia/Ho_Chi_Minh.
Does daylight saving time affect the AKST–Vietnam difference?
Neither zone observes daylight saving time, so the +16h offset between AKST and Vietnam is fixed all year.
Which other cities share AKST's time zone?
AKST also covers Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
Which countries use AKST, AKST's zone?
AKST is used in United States (Alaska).
Is there a day difference between AKST and Vietnam?
Sometimes. The +16h gap is large enough that 8:00 PM or later in AKST already falls on the next day in Vietnam.
What is the time difference between AKST and Vietnam?
Vietnam is +16h from AKST.
What timezone is AKST in?
AKST operates on its local timezone.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
Which countries use AKST (Alaska Standard Time)?
AKST is used in United States (Alaska).
Does AKST observe daylight saving time?
Yes, AKST switches to AKDT during summer months.
What are some interesting facts about AKST?
Alaska is the largest US state by area but has only about 730,000 residents. Anchorage is the most populous city in AKST with about 290,000 people.
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 AKST, what time is it in Vietnam?
When it is 12:00 AM (midnight) in AKST (AKST), it is +16h later in Vietnam (ICT).
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See every conversion from AKST →·See every conversion from Vietnam →