Chicago → Seoul Time Converter
USA · South Korea
FROM
16:04
Sat, Sep 19
UTC−5
TOSeoul
South Korea · UTC+9
06:04
Sun, Sep 20
early morning
New York
USA · UTC−4
17:04
Sat, Sep 19
business hours
London
UK · UTC+1
22:04
Sat, Sep 19
likely asleep
Tokyo
Japan · UTC+9
06:04
Sun, Sep 20
early morning
Sydney
Australia · UTC+10
07:04
Sun, Sep 20
early morning
OVERLAP TIMELINE09:00–18:00 · Chicago time
Chicago
Seoul
New York
London
Tokyo
Sydney
OVERLAP
No working-hours overlap today between Chicago and Seoul
It’s 16:04 in Chicago when it’s 06:04 in Seoul.
Chicago time zone guide · Seoul time zone guide
Working-hours overlap today
No overlap within standard working hours (09:00–17:00) between Chicago and Seoul today.
Best time to schedule a meeting
No time of day works comfortably for both Chicago and Seoul — consider async collaboration.
How the time difference shifts across the year
- Chicago clocks go back on Nov 1.
| Period | Difference |
|---|---|
| Jan 1–Mar 7 | +15 h |
| Mar 8–Oct 31 | +14 h |
| Nov 1–Dec 31 | +15 h |
Business hours at a glance
| Chicago | Seoul |
|---|---|
| 08:00 | 22:00 |
| 09:00 | 23:00 |
| 12:00 | 02:00 |
| 17:00 | 07:00 |
| 20:00 | 10:00 |
| 16:04 (now) | 06:04 |
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