Time in ACST and JST
The time difference between Australian Central Standard Time (ACST) and Japan Standard Time (JST) is 30 minutes. Japan Standard Time is 30 minutes behind Australian Central Standard Time.
This means 9am ACST is 8:30am JST and 5pm ACST is 4:30pm JST.
Australian Central Standard Time
- The current local time in ACST is 10:40 pm (July 18, 2026)
- ACST time zone offset is UTC+09:30
Japan Standard Time
- The current local time in JST is 10:10 pm (July 18, 2026)
- JST time zone offset is UTC+09:00
How to convert Australian Central Standard Time to Japan Standard Time?
Subtract 30 minutes from Australian Central Standard Time to get Japan Standard Time.
Time in ACST
00:00
Time in JST
00:00
Use the slider above to convert Australian Central Standard Time to Japan 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
| ACST | JST |
|---|---|
| 12am | 11:30pm |
| 1am | 0:30am |
| 2am | 1:30am |
| 3am | 2:30am |
| 4am | 3:30am |
| 5am | 4:30am |
| 6am | 5:30am |
| 7am | 6:30am |
| 8am | 7:30am |
| 9am | 8:30am |
| 10am | 9:30am |
| 11am | 10:30am |
| 12pm | 11:30am |
| 1pm | 12:30pm |
| 2pm | 1:30pm |
| 3pm | 2:30pm |
| 4pm | 3:30pm |
| 5pm | 4:30pm |
| 6pm | 5:30pm |
| 7pm | 6:30pm |
| 8pm | 7:30pm |
| 9pm | 8:30pm |
| 10pm | 9:30pm |
| 11pm | 10:30pm |