Time Difference Between Seoul and Milwaukee

The time difference between Seoul and Milwaukee is 15 hours. When it is 12:00 noon in Seoul, it is 21:00 in Milwaukee. Seoul uses the Asia/Seoul time zone (UTC+9), while Milwaukee uses America/Chicago (UTC-6).

Milwaukee is 15 hours behind Seoul — 15 hours
Seoul, South Korea
01:55:20
Sunday, November 8, 2026
UTC+9 · KST
↔
Milwaukee, United States
10:55:20
Saturday, November 7, 2026
UTC-6 · CST

Time Zone Details: Seoul vs Milwaukee

Detail Seoul Milwaukee
Time Zone IDAsia/SeoulAmerica/Chicago
UTC OffsetUTC+9UTC-6
AbbreviationKSTCST
DST ActiveNoNo
CountrySouth KoreaUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 15 hours gap, there is no standard business-hours overlap between Seoul and Milwaukee. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in Milwaukee tend to be the most practical compromise.

Hour-by-Hour Time Conversion

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

Seoul Milwaukee
00:00 09:00 (-1 day) Night
01:00 10:00 (-1 day) Night
02:00 11:00 (-1 day) Night
03:00 12:00 (-1 day) Night
04:00 13:00 (-1 day) Night
05:00 14:00 (-1 day) Night
06:00 15:00 (-1 day)
07:00 16:00 (-1 day)
08:00 17:00 (-1 day)
09:00 18:00 (-1 day)
10:00 19:00 (-1 day)
11:00 20:00 (-1 day)
12:00 21:00 (-1 day)
13:00 22:00 (-1 day)
14:00 23:00 (-1 day)
15:00 00:00
16:00 01:00
17:00 02:00
18:00 03:00
19:00 04:00
20:00 05:00
21:00 06:00
22:00 07:00 Night
23:00 08:00 Night

Daylight Saving Time (DST) Impact

Neither Seoul nor Milwaukee 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 Seoul–Milwaukee Scheduling

Compare Seoul and Milwaukee with Other Cities

From Seoul

From Milwaukee

Frequently Asked Questions

What is the time difference between Seoul and Milwaukee?

The time difference is 15 hours. Milwaukee is 15 hours behind Seoul.

Does the time difference change during the year?

It can. If either Seoul or Milwaukee 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 Seoul to Milwaukee?

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 Seoul time to Milwaukee time?

Subtract 15 hours from Seoul time to get Milwaukee time. Use the hour-by-hour table above for a quick reference.

Related Pages

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