Time in Sejong vs Mumbai
Sejong keeps KST (UTC+9) and Mumbai keeps IST (UTC+5:30) today. Mumbai is 3½ hours behind Sejong; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–15:00 in Mumbai (12:00–18:00 your time).
| City | 00:00 in Sejong | 01:00 in Sejong | 02:00 in Sejong | 03:00 in Sejong | 04:00 in Sejong | 05:00 in Sejong | 06:00 in Sejong | 07:00 in Sejong | 08:00 in Sejong | 09:00 in Sejong | 10:00 in Sejong | 11:00 in Sejong | 12:00 in Sejong | 13:00 in Sejong | 14:00 in Sejong | 15:00 in Sejong | 16:00 in Sejong | 17:00 in Sejong | 18:00 in Sejong | 19:00 in Sejong | 20:00 in Sejong | 21:00 in Sejong | 22:00 in Sejong | 23:00 in Sejong |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sejong—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Mumbai—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Sejong and Mumbai
Best hours to call
12:00 in Sejong
Inside working hours on both sides
09:00 in Mumbai
13:00 in Sejong
Inside working hours on both sides
10:00 in Mumbai
14:00 in Sejong
Inside working hours on both sides
11:00 in Mumbai
15:00 in Sejong
Inside working hours on both sides
12:00 in Mumbai
Where daylight saving pulls them apart
Neither Sejong nor Mumbai changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Mumbai of Sejong?
Mumbai is 3½ hours behind Sejong right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Sejong and Mumbai?
Any hour in 12:00–18:00 Sejong time is inside working hours in both cities.
Do Sejong and Mumbai change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.