What is the time difference between Sydney and Mumbai?

Mumbai is 4 hours 30 minutes behind Sydney. 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 Sydney?

Between 13:30–18:00 in Sydney, which is 09:00–13:30 in Mumbai. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Sydney observe daylight saving time?

Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.

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 Sydney, what time is it in Mumbai?

It is 07:30 in Mumbai, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Sydney and Mumbai use?

Sydney uses Australia/Sydney, currently UTC+10 (AEST), 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 Sydney time to Mumbai time

Right now Mumbai runs 4 hours 30 minutes behind Sydney. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

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

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

Daylight saving time

Sydney changes its clocks; Mumbai does not. The difference between them therefore shifts by an hour twice a year.

Sydney

Observes daylight saving time

Standard: UTC+10
Daylight: UTC+11
Next change: 2026-10-04 +60m

Mumbai

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

You have 4 hours 30 minutes of shared working time: 13:30–18:00 in Sydney, which is 09:00–13:30 in Mumbai.

Sydney 13:30–18:00Mumbai 09:00–13:30

Reference

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

	Sydney	Mumbai
IANA zone	Australia/Sydney	Asia/Kolkata
Abbreviation	AEST	IST
Standard offset	UTC+10	UTC+5:30
Daylight offset	UTC+11	—
Clock changes this year	2	0
Country	Australia	India

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

Common questions

What is the time difference between Sydney and Mumbai?: Mumbai is 4 hours 30 minutes behind Sydney. 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 Sydney?: Between 13:30–18:00 in Sydney, which is 09:00–13:30 in Mumbai. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Sydney observe daylight saving time?: Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.
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 Sydney, what time is it in Mumbai?: It is 07:30 in Mumbai, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Sydney and Mumbai use?: Sydney uses Australia/Sydney, currently UTC+10 (AEST), 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.