What is the time difference between Delhi and Honolulu?

Honolulu is 15 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 Honolulu from Delhi?

Between 09:00–09:30 in Delhi, which is 17:30–18:00 in Honolulu. 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 Honolulu observe daylight saving time?

No. Honolulu stays on UTC-10 all year, so its clocks never move.

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

It is 20:30 in Honolulu, still on the previous day. 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 Honolulu use?

Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Honolulu uses Pacific/Honolulu, currently UTC-10 (HST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Delhi time to Honolulu time

Right now Honolulu runs 15 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 Honolulu.

Delhi	Honolulu
00:00	08:30previous day
01:00	09:30previous day
02:00	10:30previous day
03:00	11:30previous day
04:00	12:30previous day
05:00	13:30previous day
06:00	14:30previous day
07:00	15:30previous day
08:00	16:30previous day
09:00	17:30previous day
10:00	18:30previous day
11:00	19:30previous day
12:00	20:30previous day
13:00	21:30previous day
14:00	22:30previous day
15:00	23:30previous day
16:00	00:30
17:00	01:30
18:00	02:30
19:00	03:30
20:00	04:30
21:00	05:30
22:00	06:30
23:00	07:30

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

Honolulu

Does not observe daylight saving time

Standard: UTC-10

When you can actually talk

You have 30 minutes of shared working time: 09:00–09:30 in Delhi, which is 17:30–18:00 in Honolulu.

Delhi 09:00–09:30Honolulu 17:30–18:00

Reference

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

	Delhi	Honolulu
IANA zone	Asia/Kolkata	Pacific/Honolulu
Abbreviation	IST	HST
Standard offset	UTC+5:30	UTC-10
Daylight offset	—	—
Clock changes this year	0	0
Country	India	United States

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

Common questions

What is the time difference between Delhi and Honolulu?: Honolulu is 15 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 Honolulu from Delhi?: Between 09:00–09:30 in Delhi, which is 17:30–18:00 in Honolulu. 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 Honolulu observe daylight saving time?: No. Honolulu stays on UTC-10 all year, so its clocks never move.
If it is midday in Delhi, what time is it in Honolulu?: It is 20:30 in Honolulu, still on the previous day. 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 Honolulu use?: Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Honolulu uses Pacific/Honolulu, currently UTC-10 (HST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.