What is the time difference between Bengaluru and Mumbai?

There is none. Both cities are in the Asia/Kolkata time zone, so their clocks always read the same and change together.

When is the best time to call Mumbai from Bengaluru?

Between 09:00–18:00 in Bengaluru, which is 09:00–18:00 in Mumbai. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Bengaluru observe daylight saving time?

No. Bengaluru stays on UTC+5:30 all year, so its clocks never move.

Does Mumbai observe daylight saving time?

No. Mumbai stays on UTC+5:30 all year, so its clocks never move.

Convert Bengaluru time to Mumbai time

Bengaluru and Mumbai are on the same clock: both keep Asia/Kolkata time, so there is never a difference between them.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Bengaluru, across for Mumbai.

Bengaluru	Mumbai
00:00	00:00
01:00	01:00
02:00	02:00
03:00	03:00
04:00	04:00
05:00	05:00
06:00	06:00
07:00	07:00
08:00	08:00
09:00	09:00
10:00	10:00
11:00	11:00
12:00	12:00
13:00	13:00
14:00	14:00
15:00	15:00
16:00	16:00
17:00	17:00
18:00	18:00
19:00	19:00
20:00	20:00
21:00	21:00
22:00	22:00
23:00	23:00

Daylight saving time

Both cities keep one offset all year. Whatever difference holds today still holds in six months.

Bengaluru

Does not observe daylight saving time

Standard: UTC+5:30

Mumbai

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

You have 9 hours of shared working time: 09:00–18:00 in Bengaluru, which is 09:00–18:00 in Mumbai.

Bengaluru 09:00–18:00Mumbai 09:00–18:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Bengaluru	Mumbai
IANA zone	Asia/Kolkata	Asia/Kolkata
Abbreviation	IST	IST
Standard offset	UTC+5:30	UTC+5:30
Daylight offset	—	—
Clock changes this year	0	0
Country	India	India

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Bengaluru and Mumbai?: There is none. Both cities are in the Asia/Kolkata time zone, so their clocks always read the same and change together.
When is the best time to call Mumbai from Bengaluru?: Between 09:00–18:00 in Bengaluru, which is 09:00–18:00 in Mumbai. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Bengaluru observe daylight saving time?: No. Bengaluru stays on UTC+5:30 all year, so its clocks never move.
Does Mumbai observe daylight saving time?: No. Mumbai stays on UTC+5:30 all year, so its clocks never move.