What is the time difference between Mumbai and Dublin?

Dublin is 4 hours 30 minutes behind 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 Dublin from Mumbai?

Between 13:30–18:00 in Mumbai, which is 09:00–13:30 in Dublin. 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 Dublin observe daylight saving time?

Yes. Dublin runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

If it is midday in Mumbai, what time is it in Dublin?

It is 07:30 in Dublin, 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 Mumbai and Dublin use?

Mumbai uses Asia/Kolkata, currently UTC+5:30 (IST), and Dublin uses Europe/Dublin, currently UTC+1 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Mumbai time to Dublin time

Right now Dublin runs 4 hours 30 minutes behind Mumbai. 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 Mumbai, and what the clock reads in Dublin at that same moment.

Mumbai	Dublin
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

Mumbai keeps one offset all year while Dublin moves twice. That is the whole reason this difference is seasonal.

Mumbai

Does not observe daylight saving time

Standard: UTC+5:30

Dublin

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

When you can actually talk

The window is 4 hours 30 minutes wide — 13:30–18:00 in Mumbai, 09:00–13:30 in Dublin.

Mumbai 13:30–18:00Dublin 09:00–13:30

Reference

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

	Mumbai	Dublin
IANA zone	Asia/Kolkata	Europe/Dublin
Abbreviation	IST	IST
Standard offset	UTC+5:30	UTC+0
Daylight offset	—	UTC+1
Clock changes this year	0	2
Country	India	Ireland

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

Common questions

What is the time difference between Mumbai and Dublin?: Dublin is 4 hours 30 minutes behind 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 Dublin from Mumbai?: Between 13:30–18:00 in Mumbai, which is 09:00–13:30 in Dublin. 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 Dublin observe daylight saving time?: Yes. Dublin runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
If it is midday in Mumbai, what time is it in Dublin?: It is 07:30 in Dublin, 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 Mumbai and Dublin use?: Mumbai uses Asia/Kolkata, currently UTC+5:30 (IST), and Dublin uses Europe/Dublin, currently UTC+1 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.