Convert India Time to Korean Time
IST · UTC+5:30 → KST · UTC+9
IST is 3 hours 30 minutes behind KST
Mumbai · IST
Tuesday, 8 September 2026
Seoul · UTC+9
Tuesday, 8 September 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 09:00–14:30 in Mumbai is 12:30–18:00 in Seoul.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
12:36 Tue 8 Sep Mumbai = 16:06 Tue 8 Sep Seoul
Hour-by-hour conversion
| Mumbai (IST)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Seoul (KST) | |
|---|---|---|
| 00:00 | 03:30 | |
| 01:00 | 04:30 | |
| 02:00 | 05:30 | |
| 03:00 | 06:30 | |
| 04:00 | 07:30 | |
| 05:00 | 08:30 | |
| 06:00 | 09:30 | |
| 07:00 | 10:30 | |
| 08:00 | 11:30 | |
| 09:00 | 12:30 | Both at work |
| 10:00 | 13:30 | Both at work |
| 11:00 | 14:30 | Both at work |
| 12:00 | 15:30 | Now |
| 13:00 | 16:30 | Both at work |
| 14:00 | 17:30 | Both at work |
| 15:00 | 18:30 | |
| 16:00 | 19:30 | |
| 17:00 | 20:30 | |
| 18:00 | 21:30 | |
| 19:00 | 22:30 | |
| 20:00 | 23:30 | |
| 21:00 | 00:30next day | |
| 22:00 | 01:30next day | |
| 23:00 | 02:30next day |
About this conversion
IST here means India Time, represented by Mumbai (Asia/Kolkata), currently UTC+5:30. KST means Korean Time, represented by Seoul (Asia/Seoul), currently UTC+9.
IST is used by 3 zones, including India. If you meant a different one, see every meaning of IST.
KST is used by 2 zones, including South Korea. See every meaning of KST.
Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Mumbai; day boundaries are marked where the date differs.
Quick answers
- 09:00 IST is 12:30 KST
- 12:00 IST is 15:30 KST
- 15:00 IST is 18:30 KST
- 18:00 IST is 21:30 KST
Related conversions
- India Time to Lord Howe TimeIST → LHST
- India Time to Marquesas TimeIST → MART
- India Time to Malaysia TimeIST → MYT
- India Time to Singapore TimeIST → SGT
- Japan Time to Korean TimeJST → KST
- Kosrae Time to Korean TimeKOST → KST
- Korean Time to Mountain TimeKST → MST
- Korean Time to South Africa TimeKST → SAST
- Eastern Time to India TimeEST → IST
- Eastern Time to Korean TimeEST → KST
- Time in Mumbainow, DST, offset
- Time in Seoulnow, DST, offset