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