What is the time difference between Los Angeles and Perth?

Perth is 15 hours 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 Perth from Los Angeles?

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 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 Perth observe daylight saving time?

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

If it is midday in Los Angeles, what time is it in Perth?

It is 03:00 in Perth, 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 Perth use?

Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT), and Perth uses Australia/Perth, currently UTC+8 (AWST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Los Angeles time to Perth time

Perth is 15 hours ahead of Los Angeles right now, so midday in Los Angeles lands in the small hours in Perth.

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

Every hour of a day in Los Angeles, and what the clock reads in Perth at that same moment.

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

Daylight saving time

Los Angeles changes its clocks; Perth does not. The difference between them therefore shifts by an hour twice a year.

Los Angeles

Observes daylight saving time

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

Perth

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

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

Reference

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

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

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

Common questions

What is the time difference between Los Angeles and Perth?: Perth is 15 hours 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 Perth from Los Angeles?: 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 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 Perth observe daylight saving time?: No. Perth stays on UTC+8 all year, so its clocks never move.
If it is midday in Los Angeles, what time is it in Perth?: It is 03:00 in Perth, 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 Perth use?: Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT), and Perth uses Australia/Perth, currently UTC+8 (AWST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.