What is the time difference between Bengaluru and Hong Kong?

Hong Kong 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 Hong Kong from Bengaluru?

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

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

If it is midday in Bengaluru, what time is it in Hong Kong?

It is 14:30 in Hong Kong, 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 Hong Kong use?

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

Convert Bengaluru time to Hong Kong time

Right now Hong Kong runs 2 hours 30 minutes ahead of Bengaluru. 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

Every hour of a day in Bengaluru, and what the clock reads in Hong Kong at that same moment.

Bengaluru	Hong Kong
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

Hong Kong

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 Hong Kong.

Bengaluru 09:00–15:30Hong Kong 11:30–18:00

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

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