What is the time difference between Delhi and Perth?

Perth is 2 hours 30 minutes ahead of Delhi. 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 Perth from Delhi?

Between 09:00–15:30 in Delhi, which is 11:30–18:00 in Perth. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Delhi observe daylight saving time?

No. Delhi stays on UTC+5:30 all year, so its clocks never move.

Does Perth observe daylight saving time?

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

If it is midday in Delhi, what time is it in Perth?

It is 14:30 in Perth, 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 Delhi and Perth use?

Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Perth uses Australia/Perth, currently UTC+8 (AWST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Delhi time to Perth time

Right now Perth runs 2 hours 30 minutes ahead of Delhi. 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 Delhi, and what the clock reads in Perth at that same moment.

Delhi	Perth
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.

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

Perth

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 Delhi, 11:30–18:00 in Perth.

Delhi 09:00–15:30Perth 11:30–18:00

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Delhi and Perth?: Perth is 2 hours 30 minutes ahead of Delhi. 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 Perth from Delhi?: Between 09:00–15:30 in Delhi, which is 11:30–18:00 in Perth. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Delhi observe daylight saving time?: No. Delhi stays on UTC+5:30 all year, so its clocks never move.
Does Perth observe daylight saving time?: No. Perth stays on UTC+8 all year, so its clocks never move.
If it is midday in Delhi, what time is it in Perth?: It is 14:30 in Perth, 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 Delhi and Perth use?: Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Perth uses Australia/Perth, currently UTC+8 (AWST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.