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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Mumbai vs Niihama

Mumbai keeps IST (UTC+5:30) and Niihama keeps JST (UTC+9) today. Niihama 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 Niihama (09:00–14:00 your time).

Mumbai and Niihama hour by hour, with the working-hour overlap shaded
City00:00 in Mumbai01:00 in Mumbai02:00 in Mumbai03:00 in Mumbai04:00 in Mumbai05:00 in Mumbai06:00 in Mumbai07:00 in Mumbai08:00 in Mumbai09:00 in Mumbai10:00 in Mumbai11:00 in Mumbai12:00 in Mumbai13:00 in Mumbai14:00 in Mumbai15:00 in Mumbai16:00 in Mumbai17:00 in Mumbai18:00 in Mumbai19:00 in Mumbai20:00 in Mumbai21:00 in Mumbai22:00 in Mumbai23:00 in Mumbai
Mumbai——000102030405060708091011121314151617181920212223
Niihama——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Mumbai and Niihama

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Mumbai, Niihama and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Mumbai
Inside working hours on both sides
13:00 in Niihama
10:00 in Mumbai
Inside working hours on both sides
14:00 in Niihama
11:00 in Mumbai
Inside working hours on both sides
15:00 in Niihama
12:00 in Mumbai
Inside working hours on both sides
16:00 in Niihama

Where daylight saving pulls them apart

Neither Mumbai nor Niihama changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Niihama of Mumbai?

Niihama 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 Niihama?

Any hour in 09:00–14:00 Mumbai time is inside working hours in both cities.

Do Mumbai and Niihama change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.