Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

Anchorage to Vietnam

+15h

Anchorage

AKDTSOURCE

USA · UTC-08:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Vietnam

ICT

UTC+07:00

HH03

MM00

(next day)03:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Anchorage

Vietnam

12:00 AM

3:00 PM

2:00 AM

5:00 PM

4:00 AM

7:00 PM

6:00 AM

9:00 PM

8:00 AM

11:00 PM

10:00 AM

1:00 AM+1

12:00 PM

3:00 AM+1

2:00 PM

5:00 AM+1

4:00 PM

7:00 AM+1

6:00 PM

9:00 AM+1

8:00 PM

11:00 AM+1

10:00 PM

1:00 PM+1

Green rows indicate typical business hours (9 AM - 5 PM)

AKDT and ICT on the World Map

The map below highlights the AKDT (Alaska Standard Time) and ICT (Indochina Time) timezone regions across the globe.

AKDT Zone

→

ICT Zone

Explore all world timezones interactively →

AKST – Alaska Standard Time

UTC-09:00

Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.

Countries in AKST

United States (Alaska)

Major Cities in AKST

AnchorageFairbanksJuneauSitkaWasilla

Key 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.
•The Aleutian Islands use HAST instead of AKST.

Daylight Saving:Yes – switches to AKDT

Learn more about AKST on Wikipedia

ICT – Indochina Time

UTC+07:00

Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.

Countries in ICT

ThailandVietnamCambodiaLaosIndonesia (WIB)

Major Cities in ICT

BangkokHo Chi Minh CityHanoiJakartaPhnom PenhVientiane

Key Facts about ICT

•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.

Daylight Saving:No – UTC+07:00 year-round

Learn more about ICT on Wikipedia

About Anchorage

Wikipedia

Anchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.

Population:287,000

Metro:398,000

Business Hours:8:00 AM - 5:00 PM AKST

Currency:USD ($)

Key Landmarks

Anchorage MuseumTony Knowles Coastal TrailFlattop MountainAlaska Wildlife Conservation CenterShip Creek

Did You Know?

Moose occasionally wander through the city streets.

Learn more about AKDT timezone →

Anchorage vs Vietnam: Offsets, DST and Best Call Times

Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, currently observing daylight saving time. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts Anchorage 15 hours ahead of Vietnam — a difference of +15h at the current offsets.

In practice, when it is 9:00 AM in Anchorage it is 12:00 AM in Vietnam on the next day. Midnight in Anchorage is 3:00 PM in Vietnam.Anchorage observes daylight saving time while Vietnam does not, so the gap narrows or widens by an hour part of the year.

Anchorage to Vietnam time conversion table

Anchorage (AKDT)	Vietnam (ICT)	Day
12:00 AM	3:00 PM	same day
6:00 AM	9:00 PM	same day
7:00 AM	10:00 PM	same day
8:00 AM	11:00 PM	same day
9:00 AM	12:00 AM	next day
12:00 PM	3:00 AM	next day
3:00 PM	6:00 AM	next day
5:00 PM	8:00 AM	next day
6:00 PM	9:00 AM	next day
9:00 PM	12:00 PM	next day

Why people convert Anchorage to Vietnam time

Scheduling a call from Anchorage to Vietnam: a 10:00 AM start in Anchorage lands at 1:00 AM in Vietnam the next day, so you can confirm the slot without doing the arithmetic yourself.
Handling a +15h gap: Anchorage 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 12:00 AM in Anchorage.
Coordinating a Anchorage-based team with Vietnam contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM AKDT" is unambiguous; "3 PM" across a +15h gap is not.
With a +15h gap there is no shared 9-to-5 window, so alternate the early start: one week Anchorage takes the early slot, the next week Vietnam does.
Anchorage: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +15h gap.

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 Anchorage and Vietnam

With a +15h offset there is no overlap inside a normal 9 AM – 5 PM day. Vietnam opens at 9:00 AM ICT, which is 12:00 AM in Anchorage, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Anchorage and Vietnam have no shared working hours because of the +15h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Anchorage is 15 hours ahead of Vietnam (AKDT UTC-08:00 → 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

Anchorage

☀ 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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Anchorage and Vietnam?

Anchorage (AKDT, UTC-08:00) is 15 hours ahead of Vietnam (ICT, UTC+07:00). The gap is currently +15h.

How do I convert Anchorage time to Vietnam time?

Add +15h to Anchorage local time. For example, 9:00 AM in Anchorage is 12:00 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 +15h offset from Anchorage.

What is the best time to call Vietnam from Anchorage?

There is no shared working-hours window because of the +15h gap. The closest option is 1:00 PM in Anchorage, which is 4:00 AM in Vietnam.

Which is ahead, Anchorage or Vietnam?

Anchorage is 15 hours ahead of Vietnam. When it is 12:00 PM in Anchorage it is 3:00 AM in Vietnam.

Do Anchorage and Vietnam use different time zones?

Anchorage (USA) uses AKDT at UTC-08:00, 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 Anchorage–Vietnam difference?

Yes at the moment: Anchorage is on daylight saving time and Vietnam is not, so the +15h gap shifts by an hour when exactly one of them changes clocks.