What is the time difference between Delhi and Riyadh?

Riyadh is 2 hours 30 minutes behind 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 Riyadh from Delhi?

Between 11:30–18:00 in Delhi, which is 09:00–15:30 in Riyadh. 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 Riyadh observe daylight saving time?

No. Riyadh stays on UTC+3 all year, so its clocks never move.

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

It is 09:30 in Riyadh, 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 Riyadh use?

Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Riyadh uses Asia/Riyadh, currently UTC+3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Delhi time to Riyadh time

Right now Riyadh runs 2 hours 30 minutes behind 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

The whole day mapped across: read down the left for Delhi, across for Riyadh.

Delhi	Riyadh
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.

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

Riyadh

Does not observe daylight saving time

Standard: UTC+3

When you can actually talk

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

Delhi 11:30–18:00Riyadh 09:00–15:30

Reference

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

	Delhi	Riyadh
IANA zone	Asia/Kolkata	Asia/Riyadh
Abbreviation	IST	UTC+3
Standard offset	UTC+5:30	UTC+3
Daylight offset	—	—
Clock changes this year	0	0
Country	India	Saudi Arabia

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

Common questions

What is the time difference between Delhi and Riyadh?: Riyadh is 2 hours 30 minutes behind 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 Riyadh from Delhi?: Between 11:30–18:00 in Delhi, which is 09:00–15:30 in Riyadh. 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 Riyadh observe daylight saving time?: No. Riyadh stays on UTC+3 all year, so its clocks never move.
If it is midday in Delhi, what time is it in Riyadh?: It is 09:30 in Riyadh, 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 Riyadh use?: Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Riyadh uses Asia/Riyadh, currently UTC+3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.