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

Los Angeles is 19 hours 45 minutes behind Chatham Islands. 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 Los Angeles from Chatham Islands?

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

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.

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.

If it is midday in Chatham Islands, what time is it in Los Angeles?

It is 16:15 in Los Angeles, still on the previous day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Chatham Islands and Los Angeles use?

Chatham Islands uses Pacific/Chatham, currently UTC+12:45 (CHAST), and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Chatham Islands time to Los Angeles time

Los Angeles is 19 hours 45 minutes behind Chatham Islands right now, so midday in Chatham Islands lands in the afternoon in Los Angeles.

Convert a time

From

Date

Time

Converted time

—

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 Chatham Islands, across for Los Angeles.

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

Daylight saving time

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

Chatham Islands

Observes daylight saving time

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

Los Angeles

Observes daylight saving time

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

When you can actually talk

The window is 1 hour wide — 12:45–13:45 in Chatham Islands, 17:00–18:00 in Los Angeles.

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

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Chatham Islands and Los Angeles?: Los Angeles is 19 hours 45 minutes behind Chatham Islands. 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 Los Angeles from Chatham Islands?: Between 12:45–13:45 in Chatham Islands, which is 17:00–18:00 in Los Angeles. That is the only stretch where both cities are inside a 09:00–18:00 day.
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.
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.
If it is midday in Chatham Islands, what time is it in Los Angeles?: It is 16:15 in Los Angeles, still on the previous day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Chatham Islands and Los Angeles use?: Chatham Islands uses Pacific/Chatham, currently UTC+12:45 (CHAST), and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.