What is the time difference between Perth and Delhi?

Delhi is 2 hours 30 minutes behind Perth. 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 Delhi from Perth?

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

Does Perth observe daylight saving time?

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

Does Delhi observe daylight saving time?

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

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

It is 09:30 in Delhi, 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 Perth and Delhi use?

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

Convert Perth time to Delhi time

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

Convert a time

From

Date

Time

Converted time

—

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 Perth, and what the clock reads in Delhi at that same moment.

Perth	Delhi
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

Neither Perth nor Delhi changes its clocks, so the difference between them is the same every day of the year.

Perth

Does not observe daylight saving time

Standard: UTC+8

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

The window is 6 hours 30 minutes wide — 11:30–18:00 in Perth, 09:00–15:30 in Delhi.

Perth 11:30–18:00Delhi 09:00–15:30

Reference

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

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

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

Common questions

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