CST to KST
Convert China Time — Shanghai to Korea Time — Seoul — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Shanghai, it's 10:00 AM in Seoul. Seoul is 1 hour ahead of Shanghai. Use the converter above to turn any CST time into KST, or scan the hour-by-hour table below for the full day.
CST to KST at a glance
Planning a meeting between Shanghai and Seoul
Planning a call between Shanghai and Seoul? The best overlap during a standard 9-to-5 workday runs 9:00 AM–4:00 PM CST (10:00 AM–5:00 PM KST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Shanghai to Seoul
A full day mapped from CST to KST.
Frequently asked
Is Seoul ahead of or behind Shanghai?
Seoul is 1 hour ahead of Shanghai.
What is 12:00 PM CST in KST?
12:00 PM in Shanghai is 1:00 PM in Seoul.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so CST and KST automatically reflect the correct daylight-saving offset for the current date.