Seoul Time to IST Converter
IST is 3 hours 30 minutes behind KST. 9:00 AM KST = 5:30 AM IST.
IST is 3 hours 30 minutes behind KST. To convert Seoul Time to IST, subtract 3 hours 30 minutes from the Seoul Time time: 9:00 AM KST = 5:30 AM IST.
Seoul Time (Seoul time) is used in Seoul, South Korea. IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time).
IST here means India Standard Time, not Irish or Israel Standard Time.
Seoul Time to IST time conversion table
Seoul Time to IST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Seoul Time | IST |
|---|---|
| 12:00 AM | 8:30 PM−1 |
| 1:00 AM | 9:30 PM−1 |
| 2:00 AM | 10:30 PM−1 |
| 3:00 AM | 11:30 PM−1 |
| 4:00 AM | 12:30 AM |
| 5:00 AM | 1:30 AM |
| 6:00 AM | 2:30 AM |
| 7:00 AM | 3:30 AM |
| Seoul Time | IST |
|---|---|
| 8:00 AM | 4:30 AM |
| 9:00 AM | 5:30 AM |
| 10:00 AM | 6:30 AM |
| 11:00 AM | 7:30 AM |
| 12:00 PM | 8:30 AM |
| 1:00 PM | 9:30 AM |
| 2:00 PM | 10:30 AM |
| 3:00 PM | 11:30 AM |
| Seoul Time | IST |
|---|---|
| 4:00 PM | 12:30 PM |
| 5:00 PM | 1:30 PM |
| 6:00 PM | 2:30 PM |
| 7:00 PM | 3:30 PM |
| 8:00 PM | 4:30 PM |
| 9:00 PM | 5:30 PM |
| 10:00 PM | 6:30 PM |
| 11:00 PM | 7:30 PM |
Conversion table from Seoul Time to IST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in IST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Seoul Time to IST
Subtract 3 hours 30 minutes from the Seoul Time time to get IST.
Example: 9:00 AM KST = 5:30 AM IST.
Across midnight: 1:00 AM KST = 9:30 PM IST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Seoul Time and IST
The time difference between Seoul Time and IST is 3 hours 30 minutes all year – IST is behind KST.
Seoul Time and IST during daylight saving time
- Seoul Time does not observe daylight saving time; it stays on UTC+9 all year.
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
Best time for a meeting between Seoul Time and IST
Seoul Time and IST share 4 hours 30 minutes of the 9 AM–5 PM working day. Any time between 12:30 PM and 5:00 PM KST lands between 9:00 AM and 1:30 PM IST, inside working hours for both.
Seoul Time to IST FAQ
What is the time difference between Seoul Time and IST?
IST is 3 hours 30 minutes behind KST all year. 9:00 AM KST = 5:30 AM IST.
What is 9 AM Seoul Time in IST?
9:00 AM KST is 5:30 AM IST.
What is 12 PM (noon) Seoul Time in IST?
12:00 PM KST is 8:30 AM IST.
Is IST ahead of or behind Seoul Time?
IST is 3 hours 30 minutes behind KST, so it is earlier in IST than in Seoul Time.
Does Seoul Time change for daylight saving time?
No. Seoul Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Seoul Time and IST?
Seoul Time and IST share 4 hours 30 minutes of the 9 AM–5 PM working day. Any time between 12:30 PM and 5:00 PM KST lands between 9:00 AM and 1:30 PM IST, inside working hours for both.
Related conversions
Convert IST to Seoul Time
Convert Seoul Time to other time zones
Convert other time zones to IST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.