AKST to South Korea
+18hAKST
AKSTSOURCESouth Korea
KSTGreen rows indicate typical business hours (9 AM - 5 PM)
AKST and KST on the World Map
The map below highlights the AKST (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).
Comparing Time Zones: AKST and South Korea
AKST runs on Alaska Standard Time (AKST) at UTC-09:00. South Korea runs on Korean Standard Time (KST) at UTC+09:00. That puts AKST 18 hours ahead of South Korea — a difference of +18h at the current offsets.
In practice, when it is 9:00 AM in AKST it is 3:00 AM in South Korea on the next day. Midnight in AKST is 6:00 PM in South Korea. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AKST to South Korea time conversion table
| AKST (AKST) | South Korea (KST) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | same day |
| 6:00 AM | 12:00 AM | next day |
| 7:00 AM | 1:00 AM | next day |
| 8:00 AM | 2:00 AM | next day |
| 9:00 AM | 3:00 AM | next day |
| 12:00 PM | 6:00 AM | next day |
| 3:00 PM | 9:00 AM | next day |
| 5:00 PM | 11:00 AM | next day |
| 6:00 PM | 12:00 PM | next day |
| 9:00 PM | 3:00 PM | next day |
Why people convert AKST to South Korea time
- Scheduling a call from AKST to South Korea: a 10:00 AM start in AKST lands at 4:00 AM in South Korea the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +18h gap: AKST and South Korea 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 South Korea is 3:00 AM in AKST.
- Booking travel or deliveries: tracking South Korea local time against AKST keeps pickup windows and arrival estimates honest across the +18h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKST" is unambiguous; "3 PM" across a +18h gap is not.
- With a +18h gap there is no shared 9-to-5 window, so alternate the early start: one week AKST takes the early slot, the next week South Korea 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 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 AKST and South Korea
With a +18h offset there is no overlap inside a normal 9 AM – 5 PM day. South Korea opens at 9:00 AM KST, which is 3:00 AM in AKST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AKST and South Korea have no shared working hours because of the +18h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AKST is 18 hours ahead of South Korea (AKST UTC-09:00 → 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
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
South Korea
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 South Korea?
AKST (AKST, UTC-09:00) is 18 hours ahead of South Korea (KST, UTC+09:00). The gap is currently +18h.
How do I convert AKST time to South Korea time?
Add +18h to AKST local time. For example, 9:00 AM in AKST is 3:00 AM in South Korea (next day).
What time is it in South Korea right now?
South Korea 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 +18h offset from AKST.
What is the best time to call South Korea from AKST?
There is no shared working-hours window because of the +18h gap. The closest option is 1:00 PM in AKST, which is 7:00 AM in South Korea.
Which is ahead, AKST or South Korea?
AKST is 18 hours ahead of South Korea. When it is 12:00 PM in AKST it is 6:00 AM in South Korea.
Do AKST and South Korea use different time zones?
AKST uses AKST at UTC-09:00, while South Korea (South Korea) uses KST at UTC+09:00. The IANA identifiers are America/Anchorage and Asia/Seoul.
Does daylight saving time affect the AKST–South Korea difference?
Neither zone observes daylight saving time, so the +18h offset between AKST and South Korea 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 South Korea?
Sometimes. The +18h gap is large enough that 8:00 PM or later in AKST already falls on the next day in South Korea.
What is the time difference between AKST and South Korea?
South Korea is +18h from AKST.
What timezone is AKST in?
AKST operates on its local timezone.
What timezone is South Korea in?
South Korea 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 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 AKST, what time is it in South Korea?
When it is 12:00 AM (midnight) in AKST (AKST), it is +18h later in South Korea (KST).
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See every conversion from AKST →·See every conversion from South Korea →