KST to SGT Time Converter
Compare KST and SGT instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both Seoul and Singapore.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| KST (Seoul) | SGT (Singapore) |
|---|---|
| 12:00 AM | 11:00 PM(Fri, Jul 24) |
| 01:00 AM | 12:00 AM |
| 02:00 AM | 01:00 AM |
| 03:00 AM | 02:00 AM |
| 04:00 AM | 03:00 AM |
| 05:00 AM | 04:00 AM |
| 06:00 AM | 05:00 AM |
| 07:00 AM | 06:00 AM |
| 08:00 AM | 07:00 AM |
| 09:00 AM | 08:00 AM |
| 10:00 AM | 09:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 01:00 PM | 12:00 PM |
| 02:00 PM | 01:00 PM |
| 03:00 PM | 02:00 PM |
| 04:00 PM | 03:00 PM |
| 05:00 PM | 04:00 PM |
| 06:00 PM | 05:00 PM |
| 07:00 PM | 06:00 PM |
| 08:00 PM | 07:00 PM |
| 09:00 PM | 08:00 PM |
| 10:00 PM | 09:00 PM |
| 11:00 PM | 10:00 PM |
Daylight saving time
Neither Seoul nor Singapore observes daylight saving time — the offset between KST and SGT is fixed year-round.
Working-hours overlap
10 AM–5 PM KST (9 AM–4 PM SGT) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between KST and SGT?+
SGT (UTC+08:00) is currently 1 hours behind KST (UTC+09:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does KST or SGT observe daylight saving time?+
Neither Seoul nor Singapore observes daylight saving time, so the offset stays fixed all year. Times on this page always reflect the current local rules.
What are the best meeting hours between Seoul and Singapore?+
Standard 9–5 working hours in Seoul and Singapore overlap from 10 AM to 5 PM KST (9 AM–4 PM SGT). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert KST to SGT?+
Use the live clocks and 24-hour reference table above. Pick any hour on the KST row to see the matching SGT time. The Event Planner also lets you pick a specific date and share it with attendees.