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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 Chennai vs Tokyo

Chennai keeps IST (UTC+5:30) and Tokyo keeps JST (UTC+9) today. Tokyo is 3½ hours ahead of Chennai; 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 Tokyo (09:00–14:00 your time).

Chennai and Tokyo hour by hour, with the working-hour overlap shaded
City00:00 in Chennai01:00 in Chennai02:00 in Chennai03:00 in Chennai04:00 in Chennai05:00 in Chennai06:00 in Chennai07:00 in Chennai08:00 in Chennai09:00 in Chennai10:00 in Chennai11:00 in Chennai12:00 in Chennai13:00 in Chennai14:00 in Chennai15:00 in Chennai16:00 in Chennai17:00 in Chennai18:00 in Chennai19:00 in Chennai20:00 in Chennai21:00 in Chennai22:00 in Chennai23:00 in Chennai
Chennai——000102030405060708091011121314151617181920212223
Tokyo——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Chennai and Tokyo

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

Best hours to call

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

Where daylight saving pulls them apart

Neither Chennai nor Tokyo changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Tokyo of Chennai?

Tokyo is 3½ hours ahead of Chennai right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Chennai and Tokyo?

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

Do Chennai and Tokyo change clocks on the same date?

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