From
Osaka
Japan
1:44 PM
Sun, Nov 1
UTC+9Asia/Tokyo
Time Difference
Osaka vs Perth Time Difference
Compare the current local time in Osaka, Japan and Perth, Australia.
Live local timeDST awareUTC offsets
Current difference
Perth is currently 1 hour behind Osaka.
This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.
24-hour comparison
Compare Osaka and Perth hour by hour
See how a full local day in Osaka, Japan maps to Perth, Australia. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.
Best working-hours overlap
10:00 AM – 6:00 PM in Osaka
corresponds to 9:00 AM – 5:00 PM in Perth.
Osaka
Asia/Tokyo
Perth
Australia/Perth
Availability
12:00 AM
Sun, Nov 1
11:00 PM
Previous daySat, Oct 31
Night
1:00 AM
Sun, Nov 1
12:00 AM
Sun, Nov 1
Night
2:00 AM
Sun, Nov 1
1:00 AM
Sun, Nov 1
Night
3:00 AM
Sun, Nov 1
2:00 AM
Sun, Nov 1
Night
4:00 AM
Sun, Nov 1
3:00 AM
Sun, Nov 1
Night
5:00 AM
Sun, Nov 1
4:00 AM
Sun, Nov 1
Night
6:00 AM
Sun, Nov 1
5:00 AM
Sun, Nov 1
Night
7:00 AM
Sun, Nov 1
6:00 AM
Sun, Nov 1
Night
8:00 AM
Sun, Nov 1
7:00 AM
Sun, Nov 1
Possible
9:00 AM
Sun, Nov 1
8:00 AM
Sun, Nov 1
Possible
10:00 AM
Sun, Nov 1
9:00 AM
Sun, Nov 1
Good overlap
11:00 AM
Sun, Nov 1
10:00 AM
Sun, Nov 1
Good overlap
12:00 PM
Sun, Nov 1
11:00 AM
Sun, Nov 1
Good overlap
1:00 PM
Sun, Nov 1
12:00 PM
Sun, Nov 1
Good overlap
2:00 PM
Sun, Nov 1
1:00 PM
Sun, Nov 1
Good overlap
3:00 PM
Sun, Nov 1
2:00 PM
Sun, Nov 1
Good overlap
4:00 PM
Sun, Nov 1
3:00 PM
Sun, Nov 1
Good overlap
5:00 PM
Sun, Nov 1
4:00 PM
Sun, Nov 1
Good overlap
6:00 PM
Sun, Nov 1
5:00 PM
Sun, Nov 1
Possible
7:00 PM
Sun, Nov 1
6:00 PM
Sun, Nov 1
Possible
8:00 PM
Sun, Nov 1
7:00 PM
Sun, Nov 1
Possible
9:00 PM
Sun, Nov 1
8:00 PM
Sun, Nov 1
Night
10:00 PM
Sun, Nov 1
9:00 PM
Sun, Nov 1
Night
11:00 PM
Sun, Nov 1
10:00 PM
Sun, Nov 1
Night
Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.
On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.
Call planning
Best time to call Perth from Osaka
Compare typical business hours in Osaka, Japan and Perth, Australia to find a practical time for calls, meetings or international coordination.
Osaka
1:44 PM – 6:44 PM
Japan
Best overlap
Perth
12:44 PM – 5:44 PM
Australia
The best time to call Perth from Osaka is between 1:44 PM and 6:44 PM in Osaka. This corresponds to 12:44 PM – 5:44 PM in Perth.
Other reasonable windows
Osaka
6:44 PM – 9:44 PM
Perth
5:44 PM – 8:44 PM
Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.
Time difference explained
Osaka and Perth time difference explained
Current local-time relationship
Perth is currently 1 hour behind Osaka.
Osaka uses Asia/Tokyo and currently has an offset of UTC+9. Perth uses Australia/Perth and currently has an offset of UTC+8.
Working-hours overlap
For a typical 9:00 AM–6:00 PM workday, the cities overlap from 10:00 AM to 6:00 PM in Osaka, corresponding to 9:00 AM–5:00 PM in Perth.
Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.
Convert a specific time
Need more than the current difference?
Convert a specific date and local time between Osaka and Perth.
Open time converterLocal clocks
Explore each city
FAQ
Osaka to Perth time difference FAQ
Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Osaka and Perth.
What is the time difference between Osaka and Perth?
The current time difference between Osaka and Perth is 1 hour. Perth is currently 1 hour behind Osaka.
Is Perth ahead of or behind Osaka?
Perth is currently 1 hour behind Osaka.
What time is it in Perth when it is 9:00 AM in Osaka?
Using the current UTC offsets, 9:00 AM in Osaka corresponds to 8:00 AM in Perth. The exact difference can change when daylight-saving rules change.
What is the best time to call Perth from Osaka?
Typical 9:00 AM–6:00 PM business hours overlap between 10:00 AM and 6:00 PM in Osaka. This corresponds to 9:00 AM–5:00 PM in Perth.
Can the time difference between Osaka and Perth change?
Yes. The time difference can change if Osaka or Perth changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Tokyo and Australia/Perth for date-aware calculations.