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