Tokyo to Sydney Time
JST to AEST Converter — 9 AM JST is 10:00 AM AEST
Tokyo is 1 hour behind Sydney. Convert any time between Tokyo (JST) and Sydney (AEST/AEDT) instantly.
Tokyo
Japan
Sydney
Australia
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Time Zone Comparison
Tokyo to Sydney Time Conversion Table
| Tokyo (JST) | Sydney (AEST) |
|---|---|
| 12:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 4:00 AM | 5:00 AM |
| 6:00 AM | 7:00 AM |
| 8:00 AM | 9:00 AM |
| 10:00 AM | 11:00 AM |
| 12:00 PM | 1:00 PM |
| 2:00 PM | 3:00 PM |
| 4:00 PM | 5:00 PM |
| 6:00 PM | 7:00 PM |
| 8:00 PM | 9:00 PM |
| 10:00 PM | 11:00 PM |
Tokyo & Sydney — Business & Scheduling Guide
Tokyo (Japan) is the world's third-largest economy, with key industries in automotive, electronics, robotics, and precision instruments. Sydney (Australia) is a stable, resource-rich economy in the Asia-Pacific region, known for mining, agriculture, finance, and tourism. With a 1-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Tokyo and Sydney
With only a 1-hour gap, Tokyo and Sydney have generous overlapping work hours. Morning calls in the later time zone align well with mid-day in the other. Japanese business culture places high value on respect and hierarchy, with typical hours of 9 AM–6 PM. Australian work culture values work-life balance, with typical hours of 9 AM–5 PM and flexible arrangements common. Most teams find that late morning to early afternoon offers the widest window for collaboration.
Daylight Saving Time Considerations
Sydney observes Daylight Saving Time (AEST/AEDT), while Tokyo stays on JST year-round. When Sydney switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.
JST to AEST — Quick Reference
JST (JST) stands for the timezone used in Tokyo, Japan (UTC+9). AEST (AEST/AEDT) is the timezone used in Sydney, Australia (UTC+10). Tokyo is 1 hour behind Sydney.
To convert JST to AEST, add 1 hours to JST time. For example, JST 9:00 AM = AEST 10:00 AM.
Key Facts
- •Time difference: Tokyo (UTC+9) is 1 hour behind Sydney (UTC+10).
- •Daylight Saving Time: Tokyo does not observe DST (JST). Sydney observes DST (AEST/AEDT).
- •Regions: Tokyo is located in Japan and uses the JST time zone. Sydney is located in Australia and uses the AEST/AEDT time zone.
- •Best time to call: The best time to call between Tokyo and Sydney is 9:00 AM to 3:00 PM in Tokyo time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Tokyo and Sydney?
Tokyo is 1 hour behind Sydney.
What time is it in Sydney when it's 9 AM in Tokyo?
When it's 9:00 AM in Tokyo, it is 10:00 AM in Sydney.
What time is 9 PM JST in AEST?
9 PM JST (Tokyo time) is 10:00 PM AEST (Sydney time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Tokyo and Sydney?
The best time to schedule a meeting is between 9:00 AM to 3:00 PM in Tokyo time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.
How do I convert JST to AEST?
JST (JST) is the timezone for Tokyo, Japan (UTC+9). AEST (AEST/AEDT) is the timezone for Sydney, Australia (UTC+10). Tokyo is 1 hour behind Sydney. Quick examples: 9 AM JST = 10:00 AM AEST, 12 PM JST = 1:00 PM AEST, 3 PM JST = 4:00 PM AEST, 6 PM JST = 7:00 PM AEST.
Is Tokyo ahead of or behind Sydney?
Tokyo is 1 hour behind Sydney. When it's noon in Tokyo, it's 1:00 PM in Sydney.
Does Tokyo or Sydney change clocks for Daylight Saving Time?
No, Tokyo does not observe DST — it stays on JST year-round. Sydney observes DST and switches between AEST/AEDT. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
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