What is the time difference between Bengaluru and Shanghai?

Shanghai is 2 hours 30 minutes ahead of Bengaluru. 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 Shanghai from Bengaluru?

Between 09:00–15:30 in Bengaluru, which is 11:30–18:00 in Shanghai. 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 Shanghai observe daylight saving time?

No. Shanghai stays on UTC+8 all year, so its clocks never move.

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

It is 14:30 in Shanghai, 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 Bengaluru and Shanghai use?

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

Convert Bengaluru time to Shanghai time

Shanghai is 2 hours 30 minutes ahead of Bengaluru right now, so midday in Bengaluru lands in the afternoon in Shanghai.

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 Shanghai.

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

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

Shanghai

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

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

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

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Bengaluru and Shanghai?: Shanghai is 2 hours 30 minutes ahead of Bengaluru. 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 Shanghai from Bengaluru?: Between 09:00–15:30 in Bengaluru, which is 11:30–18:00 in Shanghai. 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 Shanghai observe daylight saving time?: No. Shanghai stays on UTC+8 all year, so its clocks never move.
If it is midday in Bengaluru, what time is it in Shanghai?: It is 14:30 in Shanghai, 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 Bengaluru and Shanghai use?: Bengaluru uses Asia/Kolkata, currently UTC+5:30 (IST), and Shanghai uses Asia/Shanghai, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.