South Korea to Anchorage
-17hSouth Korea
KSTSOURCEAnchorage
AKDTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and AKDT on the World Map
The map below highlights the KST (Korea Standard Time) and AKDT (Alaska Standard Time) timezone regions across the globe.
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).
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.
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.
Time Conversion Guide: South Korea to Anchorage
South Korea runs on Korean Standard Time (KST) at UTC+09:00. Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, also currently on daylight saving time. That puts South Korea 17 hours behind Anchorage — a difference of -17h at the current offsets.
In practice, when it is 9:00 AM in South Korea it is 4:00 PM in Anchorage on the previous day. Midnight in South Korea is 7:00 AM in Anchorage.Anchorage observes daylight saving time while South Korea does not, so the gap narrows or widens by an hour part of the year.
South Korea to Anchorage time conversion table
| South Korea (KST) | Anchorage (AKDT) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | previous day |
| 6:00 AM | 1:00 PM | previous day |
| 7:00 AM | 2:00 PM | previous day |
| 8:00 AM | 3:00 PM | previous day |
| 9:00 AM | 4:00 PM | previous day |
| 12:00 PM | 7:00 PM | previous day |
| 3:00 PM | 10:00 PM | previous day |
| 5:00 PM | 12:00 AM | same day |
| 6:00 PM | 1:00 AM | same day |
| 9:00 PM | 4:00 AM | same day |
Why people convert South Korea to Anchorage time
- Scheduling a call from South Korea to Anchorage: a 10:00 AM start in South Korea lands at 5:00 PM in Anchorage the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -17h gap: South Korea and Anchorage 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 Anchorage is 4:00 PM in South Korea.
- Booking travel or deliveries: tracking Anchorage local time against South Korea keeps pickup windows and arrival estimates honest across the -17h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" 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 South Korea takes the early slot, the next week Anchorage does.
- Anchorage: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
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.
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).
Best time to call between South Korea and Anchorage
With a -17h offset there is no overlap inside a normal 9 AM – 5 PM day. Anchorage opens at 9:00 AM AKDT, which is 4:00 PM in South Korea, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
South Korea and Anchorage have no shared working hours because of the -17h gap. Teams need to alternate early starts or rely on asynchronous handovers.
South Korea is 17 hours behind Anchorage (KST UTC+09:00 → AKDT UTC-08:00). 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
South Korea
Does not observe DST
Anchorage
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
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 South Korea and Anchorage?
South Korea (KST, UTC+09:00) is 17 hours behind Anchorage (AKDT, UTC-08:00). The gap is currently -17h.
How do I convert South Korea time to Anchorage time?
Add -17h to South Korea local time. For example, 9:00 AM in South Korea is 4:00 PM in Anchorage (previous day).
What time is it in Anchorage right now?
Anchorage uses AKDT at UTC-08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -17h offset from South Korea.
What is the best time to call Anchorage from South Korea?
There is no shared working-hours window because of the -17h gap. The closest option is 1:00 PM in South Korea, which is 8:00 PM in Anchorage.
Which is behind, South Korea or Anchorage?
South Korea is 17 hours behind Anchorage. When it is 12:00 PM in South Korea it is 7:00 PM in Anchorage.
Do South Korea and Anchorage use different time zones?
South Korea (South Korea) uses KST at UTC+09:00, while Anchorage (USA) uses AKDT at UTC-08:00. The IANA identifiers are Asia/Seoul and America/Anchorage.
Does daylight saving time affect the South Korea–Anchorage difference?
Yes at the moment: Anchorage is on daylight saving time and South Korea is not, so the -17h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share South Korea's time zone?
KST also covers Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
Which countries use KST, South Korea's zone?
KST is used in South Korea, North Korea.
Is there a day difference between South Korea and Anchorage?
Sometimes. The -17h gap is large enough that 8:00 PM or later in South Korea already falls on the in Anchorage.
What is the time difference between South Korea and Anchorage?
Anchorage is -17h from South Korea.
What timezone is South Korea in?
South Korea operates on its local timezone.
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 are the business hours in Anchorage?
Standard business hours in Anchorage are 8:00 AM - 5:00 PM AKST.
Which countries use KST (Korea Standard Time)?
KST is used in South Korea, North Korea.
Does KST observe daylight saving time?
No, KST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about KST?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
Which cities are in the AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
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.
When is it midnight in South Korea, what time is it in Anchorage?
When it is 12:00 AM (midnight) in South Korea (KST), it is -17h later in Anchorage (AKST).
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