Time in IDLW and ACST
The time difference between International Date Line West Time (IDLW) and Australian Central Standard Time (ACST) is 21 hours 30 minutes. Australian Central Standard Time is 21 hours 30 minutes ahead of International Date Line West Time.
This means 9am IDLW is 6:30am ACST (next day) and 5pm IDLW is 2:30pm ACST (next day).
International Date Line West Time
- The current local time in IDLW is 12:36 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
Australian Central Standard Time
- The current local time in ACST is 10:06 pm (July 18, 2026)
- ACST time zone offset is UTC+09:30
How to convert International Date Line West Time to Australian Central Standard Time?
Add 21 hours 30 minutes to International Date Line West Time to get Australian Central Standard Time.
Time in IDLW
00:00
Time in ACST
00:00
Use the slider above to convert International Date Line West 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
| IDLW | ACST |
|---|---|
| 12am | 9:30pm |
| 1am | 10:30pm |
| 2am | 11:30pm |
| 3am | 0:30am |
| 4am | 1:30am |
| 5am | 2:30am |
| 6am | 3:30am |
| 7am | 4:30am |
| 8am | 5:30am |
| 9am | 6:30am |
| 10am | 7:30am |
| 11am | 8:30am |
| 12pm | 9:30am |
| 1pm | 10:30am |
| 2pm | 11:30am |
| 3pm | 12:30pm |
| 4pm | 1:30pm |
| 5pm | 2:30pm |
| 6pm | 3:30pm |
| 7pm | 4:30pm |
| 8pm | 5:30pm |
| 9pm | 6:30pm |
| 10pm | 7:30pm |
| 11pm | 8:30pm |