What is the time difference between Tokyo and Perth?

Perth is 1 hour behind Tokyo. 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 Tokyo?

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

Does Tokyo observe daylight saving time?

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

Does Perth observe daylight saving time?

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

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

It is 11:00 in Perth, 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 Tokyo and Perth use?

Tokyo uses Asia/Tokyo, currently UTC+9, 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 Tokyo time to Perth time

Right now Perth runs 1 hour behind Tokyo. 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 Tokyo, across for Perth.

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

Daylight saving time

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

Tokyo

Does not observe daylight saving time

Standard: UTC+9

Perth

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

You have 8 hours of shared working time: 10:00–18:00 in Tokyo, which is 09:00–17:00 in Perth.

Tokyo 10:00–18:00Perth 09:00–17:00

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Tokyo and Perth?: Perth is 1 hour behind Tokyo. 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 Tokyo?: Between 10:00–18:00 in Tokyo, which is 09:00–17:00 in Perth. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Tokyo observe daylight saving time?: No. Tokyo stays on UTC+9 all year, so its clocks never move.
Does Perth observe daylight saving time?: No. Perth stays on UTC+8 all year, so its clocks never move.
If it is midday in Tokyo, what time is it in Perth?: It is 11:00 in Perth, 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 Tokyo and Perth use?: Tokyo uses Asia/Tokyo, currently UTC+9, and Perth uses Australia/Perth, currently UTC+8 (AWST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.