What is the time difference between Istanbul and Delhi?

Delhi is 2 hours 30 minutes ahead of Istanbul. 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 Istanbul?

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

Does Istanbul observe daylight saving time?

No. Istanbul stays on UTC+3 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 Istanbul, what time is it in Delhi?

It is 14:30 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 Istanbul and Delhi use?

Istanbul uses Europe/Istanbul, currently UTC+3, 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 Istanbul time to Delhi time

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

Istanbul	Delhi
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.

Istanbul

Does not observe daylight saving time

Standard: UTC+3

Delhi

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: 09:00–15:30 in Istanbul, which is 11:30–18:00 in Delhi.

Istanbul 09:00–15:30Delhi 11:30–18:00

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Istanbul and Delhi?: Delhi is 2 hours 30 minutes ahead of Istanbul. 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 Istanbul?: Between 09:00–15:30 in Istanbul, which is 11:30–18:00 in Delhi. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Istanbul observe daylight saving time?: No. Istanbul stays on UTC+3 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 Istanbul, what time is it in Delhi?: It is 14:30 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 Istanbul and Delhi use?: Istanbul uses Europe/Istanbul, currently UTC+3, 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.