What is the time difference between Delhi and Chatham Islands?

Chatham Islands is 7 hours 15 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 Chatham Islands from Delhi?

Between 09:00–10:45 in Delhi, which is 16:15–18:00 in Chatham Islands. 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 Chatham Islands observe daylight saving time?

Yes. Chatham Islands runs on UTC+12:45 in winter and UTC+13:45 in summer. The next change is on 2026-09-27, when clocks go forward by 60 minutes.

If it is midday in Delhi, what time is it in Chatham Islands?

It is 19:15 in Chatham Islands, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Delhi and Chatham Islands use?

Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Chatham Islands uses Pacific/Chatham, currently UTC+12:45 (CHAST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Delhi time to Chatham Islands time

Chatham Islands is 7 hours 15 minutes ahead of Delhi right now, so midday in Delhi lands in the evening in Chatham Islands.

Convert a time

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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 Chatham Islands at that same moment.

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

Daylight saving time

Delhi keeps one offset all year while Chatham Islands moves twice. That is the whole reason this difference is seasonal.

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

Chatham Islands

Observes daylight saving time

Standard: UTC+12:45
Daylight: UTC+13:45
Next change: 2026-09-27 +60m

When you can actually talk

You have 1 hour 45 minutes of shared working time: 09:00–10:45 in Delhi, which is 16:15–18:00 in Chatham Islands.

Delhi 09:00–10:45Chatham Islands 16:15–18:00

Reference

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

	Delhi	Chatham Islands
IANA zone	Asia/Kolkata	Pacific/Chatham
Abbreviation	IST	CHAST
Standard offset	UTC+5:30	UTC+12:45
Daylight offset	—	UTC+13:45
Clock changes this year	0	2
Country	India	New Zealand

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

Common questions

What is the time difference between Delhi and Chatham Islands?: Chatham Islands is 7 hours 15 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 Chatham Islands from Delhi?: Between 09:00–10:45 in Delhi, which is 16:15–18:00 in Chatham Islands. 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 Chatham Islands observe daylight saving time?: Yes. Chatham Islands runs on UTC+12:45 in winter and UTC+13:45 in summer. The next change is on 2026-09-27, when clocks go forward by 60 minutes.
If it is midday in Delhi, what time is it in Chatham Islands?: It is 19:15 in Chatham Islands, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Delhi and Chatham Islands use?: Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Chatham Islands uses Pacific/Chatham, currently UTC+12:45 (CHAST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.