Time Difference Between Anchorage and Seoul

The time difference between Anchorage and Seoul is 18 hours. When it is 12:00 noon in Anchorage, it is 06:00 in Seoul. Anchorage uses the America/Anchorage time zone (UTC-9), while Seoul uses Asia/Seoul (UTC+9).

Time Zone Details: Anchorage vs Seoul

Best Time to Schedule a Call

With a 18 hours gap, there is no standard business-hours overlap between Anchorage and Seoul. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in Anchorage tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Anchorage time to Seoul time. Rows highlighted in green indicate overlapping business hours in both cities.

Daylight Saving Time (DST) Impact

Neither Anchorage nor Seoul is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Anchorage–Seoul Scheduling

• Video calls: Rotate call times between early-morning and late-evening slots to share the scheduling burden fairly.
• Email and async work: Send messages at the end of your workday so they arrive at the start of theirs. With a 18 hours offset, replies will often land by your next morning.
• Flight arrivals: A direct flight between these cities can cross 18 time zones. Factor in jet lag recovery — most travelers need roughly one day per hour of time difference to fully adjust.
• Use UTC as a neutral reference when coordinating with three or more time zones at once.

Compare Anchorage and Seoul with Other Cities

From Anchorage

From Seoul

Frequently Asked Questions

What is the time difference between Anchorage and Seoul?

The time difference is 18 hours. Seoul is 18 hours ahead of Anchorage.

Does the time difference change during the year?

It can. If either Anchorage or Seoul observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Anchorage to Seoul?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Anchorage time to Seoul time?

Add 18 hours to Anchorage time to get Seoul time. Use the hour-by-hour table above for a quick reference.

Related Pages

• Current time in Anchorage — live clock, time zone details, DST status
• Current time in Seoul — live clock, time zone details, DST status
• Time Difference Calculator — compare any two cities
• UTC-9 countries and cities
• UTC+9 countries and cities
• Current UTC Time
• All World Time Zones
• What Is a Time Zone?

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.