Anchorage to Seoul
+17hAnchorage
AKDTSOURCESeoul
KSTGreen rows indicate typical business hours (9 AM - 5 PM)
AKDT and KST on the World Map
The map below highlights the AKDT (Alaska Standard Time) and KST (Korea Standard 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.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
About Anchorage
WikipediaAnchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.
Moose occasionally wander through the city streets.
About Seoul
WikipediaSeoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.
Seoul has the fastest average internet speed in the world.
Understanding the +17h Gap: Anchorage vs Seoul
Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, currently observing daylight saving time. Seoul runs on Korean Standard Time (KST) at UTC+09:00. That puts Anchorage 17 hours ahead of Seoul — a difference of +17h at the current offsets.
In practice, when it is 9:00 AM in Anchorage it is 2:00 AM in Seoul on the next day. Midnight in Anchorage is 5:00 PM in Seoul.Anchorage observes daylight saving time while Seoul does not, so the gap narrows or widens by an hour part of the year.
Anchorage to Seoul time conversion table
| Anchorage (AKDT) | Seoul (KST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | same day |
| 6:00 AM | 11:00 PM | same day |
| 7:00 AM | 12:00 AM | next day |
| 8:00 AM | 1:00 AM | next day |
| 9:00 AM | 2:00 AM | next day |
| 12:00 PM | 5:00 AM | next day |
| 3:00 PM | 8:00 AM | next day |
| 5:00 PM | 10:00 AM | next day |
| 6:00 PM | 11:00 AM | next day |
| 9:00 PM | 2:00 PM | next day |
Why people convert Anchorage to Seoul time
- Scheduling a call from Anchorage to Seoul: a 10:00 AM start in Anchorage lands at 3:00 AM in Seoul the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +17h gap: Anchorage and Seoul 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 Seoul is 2:00 AM in Anchorage.
- Watching a live event or market open: Anchorage viewers need 2:00 AM in Seoul to catch a 9:00 AM start there, and 7:00 AM if the event is anchored to Anchorage.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKDT" is unambiguous; "3 PM" across a +17h gap is not.
- With a +17h gap there is no shared 9-to-5 window, so alternate the early start: one week Anchorage takes the early slot, the next week Seoul 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 +17h 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 KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
Best time to call between Anchorage and Seoul
With a +17h offset there is no overlap inside a normal 9 AM – 5 PM day. Seoul opens at 9:00 AM KST, which is 2:00 AM in Anchorage, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Anchorage and Seoul have no shared working hours because of the +17h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Anchorage is 17 hours ahead of Seoul (AKDT UTC-08:00 → KST UTC+09:00). 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
Seoul
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 Anchorage and Seoul?
Anchorage (AKDT, UTC-08:00) is 17 hours ahead of Seoul (KST, UTC+09:00). The gap is currently +17h.
How do I convert Anchorage time to Seoul time?
Add +17h to Anchorage local time. For example, 9:00 AM in Anchorage is 2:00 AM in Seoul (next day).
What time is it in Seoul right now?
Seoul uses KST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +17h offset from Anchorage.
What is the best time to call Seoul from Anchorage?
There is no shared working-hours window because of the +17h gap. The closest option is 1:00 PM in Anchorage, which is 6:00 AM in Seoul.
Which is ahead, Anchorage or Seoul?
Anchorage is 17 hours ahead of Seoul. When it is 12:00 PM in Anchorage it is 5:00 AM in Seoul.
Do Anchorage and Seoul use different time zones?
Anchorage (USA) uses AKDT at UTC-08:00, while Seoul (South Korea) uses KST at UTC+09:00. The IANA identifiers are America/Anchorage and Asia/Seoul.
Does daylight saving time affect the Anchorage–Seoul difference?
Yes at the moment: Anchorage is on daylight saving time and Seoul is not, so the +17h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Anchorage's time zone?
AKDT also covers Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
Which countries use AKDT, Anchorage's zone?
AKDT is used in United States (Alaska).
Is there a day difference between Anchorage and Seoul?
Sometimes. The +17h gap is large enough that 8:00 PM or later in Anchorage already falls on the next day in Seoul.
What is the time difference between Anchorage and Seoul?
Seoul is +17h from Anchorage.
What timezone is Anchorage in?
Anchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.
What timezone is Seoul in?
Seoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.
What are the business hours in Anchorage?
Standard business hours in Anchorage are 8:00 AM - 5:00 PM AKST.
What are the business hours in Seoul?
Standard business hours in Seoul are 9:00 AM - 6:00 PM KST.
What is the best time to schedule a call between Anchorage and Seoul?
The best overlap for a call is when both cities are in business hours. Anchorage works 8:00 AM - 5:00 PM AKST and Seoul works 9:00 AM - 6:00 PM KST (+17h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Anchorage and Seoul?
Anchorage uses USD ($) while Seoul uses KRW (₩). Check current exchange rates when planning travel or business between these cities.
How do Anchorage and Seoul compare in size?
Anchorage has a population of approximately 287,000 (metro: 398,000), while Seoul has approximately 9.7 million (metro: 25.5 million).
What are the major landmarks in Anchorage and Seoul?
Anchorage is known for Anchorage Museum, Tony Knowles Coastal Trail, Flattop Mountain. Seoul is famous for Gyeongbokgung Palace, N Seoul Tower, Bukchon Hanok Village.
Do Anchorage and Seoul have stock exchanges?
Yes. Anchorage has the N/A (Uses NYSE/NASDAQ) and Seoul has the KRX (Korea Exchange). The +17h time difference affects trading hour overlaps between these exchanges.
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 KST timezone?
Major cities in the KST timezone include Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
What is the UTC offset for KST?
Korea Standard Time (KST) is at UTC+09:00.
What should I know about the KST timezone?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
When is it midnight in Anchorage, what time is it in Seoul?
When it is 12:00 AM (midnight) in Anchorage (AKST), it is +17h later in Seoul (KST).
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