Time Difference Between Sydney and Osaka

The time difference between Sydney and Osaka is 1 hour. When it is 12:00 noon in Sydney, it is 11:00 in Osaka. Sydney uses the Australia/Sydney time zone (UTC+10), while Osaka uses Asia/Tokyo (UTC+9).

Osaka is 1 hour behind Sydney — 1 hour
Sydney, Australia
09:37:53
Monday, May 11, 2026
UTC+10 · AEST
Osaka, Japan
08:37:53
Monday, May 11, 2026
UTC+9 · JST

Time Zone Details: Sydney vs Osaka

Detail Sydney Osaka
Time Zone IDAustralia/SydneyAsia/Tokyo
UTC OffsetUTC+10UTC+9
AbbreviationAESTJST
DST ActiveNoNo
CountryAustraliaJapan
RegionOceaniaAsia

Best Time to Schedule a Call

There are 7 overlapping business hours between Sydney and Osaka (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

10:00–17:00 in Sydney  =  09:00–16:00 in Osaka

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Sydney time to Osaka time. Rows highlighted in green indicate overlapping business hours in both cities.

Sydney Osaka
00:00 23:00 (-1 day) Night
01:00 00:00 Night
02:00 01:00 Night
03:00 02:00 Night
04:00 03:00 Night
05:00 04:00 Night
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00 Overlap
11:00 10:00 Overlap
12:00 11:00 Overlap
13:00 12:00 Overlap
14:00 13:00 Overlap
15:00 14:00 Overlap
16:00 15:00 Overlap
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00 Night
23:00 22:00 Night

Daylight Saving Time (DST) Impact

Neither Sydney nor Osaka is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Sydney–Osaka Scheduling

Compare Sydney and Osaka with Other Cities

From Sydney

From Osaka

Frequently Asked Questions

What is the time difference between Sydney and Osaka?

The time difference is 1 hour. Osaka is 1 hour behind Sydney.

Does the time difference change during the year?

It can. If either Sydney or Osaka observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Sydney to Osaka?

The best window is between 10:00 and 17:00 Sydney time, which corresponds to 09:00–16:00 in Osaka. Both sides fall within normal business hours.

How do I convert Sydney time to Osaka time?

Subtract 1 hour from Sydney time to get Osaka time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.