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
05:00
Wed, Oct 28
UTC+9
TO
ADJUST
New York
USA · UTC−4
16:00
Tue, Oct 27
business hours
−13hclocks ↓ in 5d
London
UK · UTC+0
20:00
Tue, Oct 27
evening
−9h🌙
Tokyo
Japan · UTC+9
05:00
Wed, Oct 28
likely asleep
same time🌙
Sydney
Australia · UTC+11
07:00
Wed, Oct 28
early morning
+2h☀️
OVERLAP TIMELINE09:00–18:00 · Seoul time
Seoul
New York
London
Tokyo
Sydney
OVERLAP
No working-hours overlap today between Seoul and New York