Seoul keeps Korea Standard Time (UTC+9) year-round with no daylight saving. As South Korea's capital and largest business center, it's a common anchor for scheduling across East Asia.
FROM
06:08
Sun, Sep 20
UTC+9
TO
ADJUST
New York
USA · UTC−4
17:08
Sat, Sep 19
business hours
−13hclocks ↓ in 43d
London
UK · UTC+1
22:08
Sat, Sep 19
likely asleep
−8hclocks ↓ in 36d
Tokyo
Japan · UTC+9
06:08
Sun, Sep 20
early morning
same time☀️
Sydney
Australia · UTC+10
07:08
Sun, Sep 20
early morning
+1hclocks ↑ in 14d
OVERLAP TIMELINE09:00–18:00 · Seoul time
Seoul
New York
London
Tokyo
Sydney
OVERLAP
No working-hours overlap today between Seoul and New York