Time in JST and ACST
The time difference between Japan Standard Time (JST) and Australian Central Standard Time (ACST) is 30 minutes. Australian Central Standard Time is 30 minutes ahead of Japan Standard Time.
This means 9am JST is 9:30am ACST and 5pm JST is 5:30pm ACST.
Japan Standard Time
- The current local time in JST is 4:07 am (July 9, 2026)
- JST time zone offset is UTC+09:00
Australian Central Standard Time
- The current local time in ACST is 4:37 am (July 9, 2026)
- ACST time zone offset is UTC+09:30
How to convert Japan Standard Time to Australian Central Standard Time?
Add 30 minutes to Japan Standard Time to get Australian Central Standard Time.
Time in JST
00:00
Time in ACST
00:00
Use the slider above to convert Japan Standard Time to Australian Central Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| JST | ACST |
|---|---|
| 12am | 0:30am |
| 1am | 1:30am |
| 2am | 2:30am |
| 3am | 3:30am |
| 4am | 4:30am |
| 5am | 5:30am |
| 6am | 6:30am |
| 7am | 7:30am |
| 8am | 8:30am |
| 9am | 9:30am |
| 10am | 10:30am |
| 11am | 11:30am |
| 12pm | 12:30pm |
| 1pm | 1:30pm |
| 2pm | 2:30pm |
| 3pm | 3:30pm |
| 4pm | 4:30pm |
| 5pm | 5:30pm |
| 6pm | 6:30pm |
| 7pm | 7:30pm |
| 8pm | 8:30pm |
| 9pm | 9:30pm |
| 10pm | 10:30pm |
| 11pm | 11:30pm |