How to read it
Mumbai and Tokyo, side by side
Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.
- 1Filled: at the desk, 9:00 to 18:00 where that city is.
- 2Grey: up early, up late, or the weekend.
- 3Outline: asleep.
- 4Red band: your slot. Read straight down to see the same moment in every city.
- 5A marks the best time for everyone; B, when there is one, the next best.
The red band is the best time to call on Wed, 21 Oct 2026: 09:00–10:00 in Mumbai, which is 12:30–13:30 in Tokyo.
Through the year
How the gap between Mumbai and Tokyo moves
Tokyo is 3h 30m ahead of Mumbai today. Neither city changes its clocks, so the gap is the same all year.
- Tokyo 3h 30m ahead of Mumbai
Hour by hour
Mumbai to Tokyo time, hour by hour
On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities.
- Mumbai starts work 09:00 12:30 in Tokyo At desk
- Tokyo starts work 09:00 05:30 in Mumbai Asleep
- Mumbai finishes work 18:00 21:30 in Tokyo Late
- Tokyo finishes work 18:00 14:30 in Mumbai At desk
Show all 24 hours
| Mumbai | Tokyo |
|---|---|
| 00:00 Asleep | 03:30 Asleep |
| 01:00 Asleep | 04:30 Asleep |
| 02:00 Asleep | 05:30 Asleep |
| 03:00 Asleep | 06:30 Asleep |
| 04:00 Asleep | 07:30 Early |
| 05:00 Asleep | 08:30 Early |
| 06:00 Asleep | 09:30 At desk |
| 07:00 Early | 10:30 At desk |
| 08:00 Early | 11:30 At desk |
| 09:00 At desk | 12:30 At desk |
| 10:00 At desk | 13:30 At desk |
| 11:00 At desk | 14:30 At desk |
| 12:00 At desk | 15:30 At desk |
| 13:00 At desk | 16:30 At desk |
| 14:00 At desk | 17:30 At desk |
| 15:00 At desk | 18:30 Late |
| 16:00 At desk | 19:30 Late |
| 17:00 At desk | 20:30 Late |
| 18:00 Late | 21:30 Late |
| 19:00 Late | 22:30 Asleep |
| 20:00 Late | 23:30 Asleep |
| 21:00 Late | 00:30 Thu Asleep |
| 22:00 Asleep | 01:30 Thu Asleep |
| 23:00 Asleep | 02:30 Thu Asleep |
Questions
Questions people ask
What is the time difference between Mumbai and Tokyo?
Tokyo is 3h 30m ahead of Mumbai (as of Wed, 21 Oct 2026). Neither city changes its clocks, so the gap is the same all year.
What is the best time for a call between Mumbai and Tokyo?
On a working day, the best time for a call is 09:00–10:00 in Mumbai, which is 12:30–13:30 in Tokyo. Everyone is at their desk.
Does Mumbai change its clocks?
No. Mumbai stays on UTC+5:30 all year.
Does Tokyo change its clocks?
No. Tokyo stays on UTC+9 all year.
More city pairs
Compare more cities
Mumbai and…
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Tokyo and…
- Tokyo and Delhi
- Tokyo and Bengaluru
- Tokyo and Dubai
- Tokyo and Abu Dhabi
- Tokyo and Riyadh
- Tokyo and Doha
- Tokyo and Singapore
- Tokyo and Hong Kong
- Tokyo and Sydney
- Tokyo and London
- Tokyo and Paris
- Tokyo and Berlin
- Tokyo and Amsterdam
- Tokyo and New York
- Tokyo and Toronto
- Tokyo and Chicago
- Tokyo and Los Angeles
- Tokyo and San Francisco
From the team behind 10:10
Running an event across time zones?
C4E has spent twenty years running conferences, dealer meets and offsites in more than 40 countries, with clients, speakers and crews in different time zones. 10:10 is one of the tools we built for our own shows. It is free, with no account and nothing upsold.