SLST to KST
Convert Sri Lanka Time — Colombo to Korea Time — Seoul — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Colombo, it's 12:30 PM in Seoul. Seoul is 3½ hours ahead of Colombo. Use the converter above to turn any SLST time into KST, or scan the hour-by-hour table below for the full day.
SLST to KST at a glance
Planning a meeting between Colombo and Seoul
Planning a call between Colombo and Seoul? The best overlap during a standard 9-to-5 workday runs 9:00 AM–1:30 PM SLST (12:30 PM–5:00 PM KST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Colombo to Seoul
A full day mapped from SLST to KST.
Frequently asked
Is Seoul ahead of or behind Colombo?
Seoul is 3½ hours ahead of Colombo.
What is 12:00 PM SLST in KST?
12:00 PM in Colombo is 3:30 PM in Seoul.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so SLST and KST automatically reflect the correct daylight-saving offset for the current date.