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