What is the time difference between Perth and Tokyo?

Tokyo is 1 hour ahead of 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 Tokyo from Perth?

Between 09:00–17:00 in Perth, which is 10:00–18:00 in Tokyo. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Perth observe daylight saving time?

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

Does Tokyo observe daylight saving time?

No. Tokyo stays on UTC+9 all year, so its clocks never move.

If it is midday in Perth, what time is it in Tokyo?

It is 13:00 in Tokyo, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Perth and Tokyo use?

Perth uses Australia/Perth, currently UTC+8 (AWST), and Tokyo uses Asia/Tokyo, currently UTC+9. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Perth time to Tokyo time

Tokyo is 1 hour ahead of Perth right now, so midday in Perth lands in the afternoon in Tokyo.

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

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

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

Daylight saving time

Neither Perth nor Tokyo changes its clocks, so the difference between them is the same every day of the year.

Perth

Does not observe daylight saving time

Standard: UTC+8

Tokyo

Does not observe daylight saving time

Standard: UTC+9

When you can actually talk

The window is 8 hours wide — 09:00–17:00 in Perth, 10:00–18:00 in Tokyo.

Perth 09:00–17:00Tokyo 10:00–18:00

Reference

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

	Perth	Tokyo
IANA zone	Australia/Perth	Asia/Tokyo
Abbreviation	AWST	UTC+9
Standard offset	UTC+8	UTC+9
Daylight offset	—	—
Clock changes this year	0	0
Country	Australia	Japan

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

Common questions

What is the time difference between Perth and Tokyo?: Tokyo is 1 hour ahead of 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 Tokyo from Perth?: Between 09:00–17:00 in Perth, which is 10:00–18:00 in Tokyo. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Perth observe daylight saving time?: No. Perth stays on UTC+8 all year, so its clocks never move.
Does Tokyo observe daylight saving time?: No. Tokyo stays on UTC+9 all year, so its clocks never move.
If it is midday in Perth, what time is it in Tokyo?: It is 13:00 in Tokyo, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Perth and Tokyo use?: Perth uses Australia/Perth, currently UTC+8 (AWST), and Tokyo uses Asia/Tokyo, currently UTC+9. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.