Time Difference

Osaka vs Sydney Time Difference

Compare the current local time in Osaka, Japan and Sydney, Australia.

Live local timeDST awareUTC offsets

From

Osaka

Japan

12:54 PM

Mon, Aug 17

UTC+9Asia/Tokyo

Difference

1 hour

Swap

Sydney

Australia

1:54 PM

Mon, Aug 17

UTC+10Australia/Sydney

Current difference

Sydney is currently 1 hour ahead of 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 Sydney hour by hour

See how a full local day in Osaka, Japan maps to Sydney, Australia. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

9:00 AM – 5:00 PM in Osaka

corresponds to 10:00 AM – 6:00 PM in Sydney.

8 hours overlap

Osaka

Asia/Tokyo

Sydney

Australia/Sydney

Availability

12:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

1:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

8:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

10:00 AM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

6:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

9:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

11:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

12:00 AM

Next day

Tue, Aug 18

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 Sydney from Osaka

Compare typical business hours in Osaka, Japan and Sydney, Australia to find a practical time for calls, meetings or international coordination.

Osaka

12:54 PM – 5:54 PM

Japan

Best overlap

Sydney

1:54 PM – 6:54 PM

Australia

The best time to call Sydney from Osaka is between 12:54 PM and 5:54 PM in Osaka. This corresponds to 1:54 PM – 6:54 PM in Sydney.

Other reasonable windows

Osaka

5:54 PM – 8:54 PM

Sydney

6:54 PM – 9:54 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 Sydney time difference explained

Current local-time relationship

Sydney is currently 1 hour ahead of Osaka.

Osaka uses Asia/Tokyo and currently has an offset of UTC+9. Sydney uses Australia/Sydney and currently has an offset of UTC+10.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 9:00 AM to 5:00 PM in Osaka, corresponding to 10:00 AM–6:00 PM in Sydney.

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 Sydney.

Open time converter

Local clocks

Explore each city

Current time in Osaka Current time in Sydney

FAQ

Osaka to Sydney time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Osaka and Sydney.

What is the time difference between Osaka and Sydney?

The current time difference between Osaka and Sydney is 1 hour. Sydney is currently 1 hour ahead of Osaka.

Is Sydney ahead of or behind Osaka?

Sydney is currently 1 hour ahead of Osaka.

What time is it in Sydney when it is 9:00 AM in Osaka?

Using the current UTC offsets, 9:00 AM in Osaka corresponds to 10:00 AM in Sydney. The exact difference can change when daylight-saving rules change.

What is the best time to call Sydney from Osaka?

Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 5:00 PM in Osaka. This corresponds to 10:00 AM–6:00 PM in Sydney.

Can the time difference between Osaka and Sydney change?

Yes. The time difference can change if Osaka or Sydney changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Tokyo and Australia/Sydney for date-aware calculations.