What is the time difference between Singapore and Mumbai?

Mumbai is 2 hours 30 minutes behind Singapore. 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 Singapore?

Between 11:30–18:00 in Singapore, 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 Singapore observe daylight saving time?

No. Singapore 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 Singapore, 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 Singapore and Mumbai use?

Singapore uses Asia/Singapore, 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 Singapore time to Mumbai time

Mumbai is 2 hours 30 minutes behind Singapore right now, so midday in Singapore lands in the morning in Mumbai.

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 Singapore, across for Mumbai.

Singapore	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

Both cities keep one offset all year. Whatever difference holds today still holds in six months.

Singapore

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

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

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

Reference

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

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

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

Common questions

What is the time difference between Singapore and Mumbai?: Mumbai is 2 hours 30 minutes behind Singapore. 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 Singapore?: Between 11:30–18:00 in Singapore, 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 Singapore observe daylight saving time?: No. Singapore 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 Singapore, 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 Singapore and Mumbai use?: Singapore uses Asia/Singapore, 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.