What is the time difference between Shanghai and Mumbai?

Mumbai is 2 hours 30 minutes behind Shanghai. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Mumbai from Shanghai?

Between 11:30–18:00 in Shanghai, which is 09:00–15:30 in Mumbai. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Shanghai observe daylight saving time?

No. Shanghai stays on UTC+8 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.

If it is midday in Shanghai, what time is it in Mumbai?

It is 09:30 in Mumbai, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Shanghai and Mumbai use?

Shanghai uses Asia/Shanghai, currently UTC+8, and Mumbai uses Asia/Kolkata, currently UTC+5:30 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Shanghai time to Mumbai time

Right now Mumbai runs 2 hours 30 minutes behind Shanghai. That gap is not fixed: it moves when either city changes its clocks.

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 Shanghai, across for Mumbai.

Shanghai	Mumbai
00:00	21:30previous day
01:00	22:30previous day
02:00	23:30previous day
03:00	00:30
04:00	01:30
05:00	02:30
06:00	03:30
07:00	04:30
08:00	05:30
09:00	06:30
10:00	07:30
11:00	08:30
12:00	09:30
13:00	10:30
14:00	11:30
15:00	12:30
16:00	13:30
17:00	14:30
18:00	15:30
19:00	16:30
20:00	17:30
21:00	18:30
22:00	19:30
23:00	20:30

Daylight saving time

Neither Shanghai nor Mumbai changes its clocks, so the difference between them is the same every day of the year.

Shanghai

Does not observe daylight saving time

Standard: UTC+8

Mumbai

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

The window is 6 hours 30 minutes wide — 11:30–18:00 in Shanghai, 09:00–15:30 in Mumbai.

Shanghai 11:30–18:00Mumbai 09:00–15:30

Reference

The zone identifiers and offsets behind everything above.

	Shanghai	Mumbai
IANA zone	Asia/Shanghai	Asia/Kolkata
Abbreviation	UTC+8	IST
Standard offset	UTC+8	UTC+5:30
Daylight offset	—	—
Clock changes this year	0	0
Country	China	India

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

Common questions

What is the time difference between Shanghai and Mumbai?: Mumbai is 2 hours 30 minutes behind Shanghai. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Mumbai from Shanghai?: Between 11:30–18:00 in Shanghai, which is 09:00–15:30 in Mumbai. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Shanghai observe daylight saving time?: No. Shanghai stays on UTC+8 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.
If it is midday in Shanghai, what time is it in Mumbai?: It is 09:30 in Mumbai, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Shanghai and Mumbai use?: Shanghai uses Asia/Shanghai, currently UTC+8, and Mumbai uses Asia/Kolkata, currently UTC+5:30 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.