What is the time difference between Mumbai and Hong Kong?

Hong Kong is 2 hours 30 minutes ahead of Mumbai. 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 Mumbai?

Between 09:00–15:30 in Mumbai, 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 Mumbai observe daylight saving time?

No. Mumbai 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 Mumbai, 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 Mumbai and Hong Kong use?

Mumbai 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 Mumbai time to Hong Kong time

Hong Kong is 2 hours 30 minutes ahead of Mumbai right now, so midday in Mumbai lands in the afternoon in Hong Kong.

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 Mumbai, and what the clock reads in Hong Kong at that same moment.

Mumbai	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.

Mumbai

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

You have 6 hours 30 minutes of shared working time: 09:00–15:30 in Mumbai, which is 11:30–18:00 in Hong Kong.

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

Reference

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

	Mumbai	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 Mumbai and Hong Kong?: Hong Kong is 2 hours 30 minutes ahead of Mumbai. 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 Mumbai?: Between 09:00–15:30 in Mumbai, 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 Mumbai observe daylight saving time?: No. Mumbai 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 Mumbai, 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 Mumbai and Hong Kong use?: Mumbai 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.