What is the time difference between Perth and Los Angeles?

Los Angeles is 15 hours behind Perth. 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 Perth?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does Perth observe daylight saving time?

No. Perth stays on UTC+8 all year, so its clocks never move.

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 Perth, what time is it in Los Angeles?

It is 21:00 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 Perth and Los Angeles use?

Perth uses Australia/Perth, currently UTC+8 (AWST), 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 Perth time to Los Angeles time

Right now Los Angeles runs 15 hours behind Perth. That gap is not fixed: it moves when either city changes its clocks.

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 Perth, across for Los Angeles.

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

Daylight saving time

Perth keeps one offset all year while Los Angeles moves twice. That is the whole reason this difference is seasonal.

Perth

Does not observe daylight saving time

Standard: UTC+8

Los Angeles

Observes daylight saving time

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

When you can actually talk

A standard working day in Perth and one in Los Angeles do not overlap at all. Any call between them is early for one side or late for the other.

Perth 08:00–18:00Los Angeles 17:00–03:00
Perth 00:00–08:00Los Angeles 09:00–17:00

Reference

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

	Perth	Los Angeles
IANA zone	Australia/Perth	America/Los_Angeles
Abbreviation	AWST	PDT
Standard offset	UTC+8	UTC-8
Daylight offset	—	UTC-7
Clock changes this year	0	2
Country	Australia	United States

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

Common questions

What is the time difference between Perth and Los Angeles?: Los Angeles is 15 hours behind Perth. 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 Perth?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
Does Perth observe daylight saving time?: No. Perth stays on UTC+8 all year, so its clocks never move.
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 Perth, what time is it in Los Angeles?: It is 21:00 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 Perth and Los Angeles use?: Perth uses Australia/Perth, currently UTC+8 (AWST), 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.