What is the time difference between Los Angeles and Chatham Islands?

Chatham Islands is 19 hours 45 minutes ahead of Los Angeles. 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 Los Angeles?

Between 17:00–18:00 in Los Angeles, which is 12:45–13:45 in Chatham Islands. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Los Angeles observe daylight saving time?

Yes. Los Angeles runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

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 Los Angeles, what time is it in Chatham Islands?

It is 07:45 in Chatham Islands, and already the following day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Los Angeles and Chatham Islands use?

Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT), 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 Los Angeles time to Chatham Islands time

Right now Chatham Islands runs 19 hours 45 minutes ahead of Los Angeles. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

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Date

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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 Los Angeles, across for Chatham Islands.

Los Angeles	Chatham Islands
00:00	19:45
01:00	20:45
02:00	21:45
03:00	22:45
04:00	23:45
05:00	00:45next day
06:00	01:45next day
07:00	02:45next day
08:00	03:45next day
09:00	04:45next day
10:00	05:45next day
11:00	06:45next day
12:00	07:45next day
13:00	08:45next day
14:00	09:45next day
15:00	10:45next day
16:00	11:45next day
17:00	12:45next day
18:00	13:45next day
19:00	14:45next day
20:00	15:45next day
21:00	16:45next day
22:00	17:45next day
23:00	18:45next day

Daylight saving time

Los Angeles and Chatham Islands both observe daylight saving. Where their change dates differ, so does the gap between them for the weeks in between.

Los Angeles

Observes daylight saving time

Standard: UTC-8
Daylight: UTC-7
Next change: 2026-11-01 −60m

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 of shared working time: 17:00–18:00 in Los Angeles, which is 12:45–13:45 in Chatham Islands.

Los Angeles 17:00–18:00Chatham Islands 12:45–13:45
Los Angeles 13:15–17:00Chatham Islands 09:00–12:45

Reference

The zone identifiers and offsets behind everything above.

	Los Angeles	Chatham Islands
IANA zone	America/Los_Angeles	Pacific/Chatham
Abbreviation	PDT	CHAST
Standard offset	UTC-8	UTC+12:45
Daylight offset	UTC-7	UTC+13:45
Clock changes this year	2	2
Country	United States	New Zealand

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

Common questions

What is the time difference between Los Angeles and Chatham Islands?: Chatham Islands is 19 hours 45 minutes ahead of Los Angeles. 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 Los Angeles?: Between 17:00–18:00 in Los Angeles, which is 12:45–13:45 in Chatham Islands. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Los Angeles observe daylight saving time?: Yes. Los Angeles runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
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 Los Angeles, what time is it in Chatham Islands?: It is 07:45 in Chatham Islands, and already the following day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Los Angeles and Chatham Islands use?: Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT), 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.