Time in GST and ACST
The time difference between Gulf Standard Time (GST) and Australian Central Standard Time (ACST) is 5 hours 30 minutes. Australian Central Standard Time is 5 hours 30 minutes ahead of Gulf Standard Time.
This means 9am GST is 2:30pm ACST and 5pm GST is 10:30pm ACST.
Gulf Standard Time
- The current local time in GST is 2:41 am (July 3, 2026)
- GST time zone offset is UTC+04:00
Australian Central Standard Time
- The current local time in ACST is 8:11 am (July 3, 2026)
- ACST time zone offset is UTC+09:30
How to convert Gulf Standard Time to Australian Central Standard Time?
Add 5 hours 30 minutes to Gulf Standard Time to get Australian Central Standard Time.
Time in GST
00:00
Time in ACST
00:00
Use the slider above to convert Gulf 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
| GST | ACST |
|---|---|
| 12am | 5:30am |
| 1am | 6:30am |
| 2am | 7:30am |
| 3am | 8:30am |
| 4am | 9:30am |
| 5am | 10:30am |
| 6am | 11:30am |
| 7am | 12:30pm |
| 8am | 1:30pm |
| 9am | 2:30pm |
| 10am | 3:30pm |
| 11am | 4:30pm |
| 12pm | 5:30pm |
| 1pm | 6:30pm |
| 2pm | 7:30pm |
| 3pm | 8:30pm |
| 4pm | 9:30pm |
| 5pm | 10:30pm |
| 6pm | 11:30pm |
| 7pm | 0:30am |
| 8pm | 1:30am |
| 9pm | 2:30am |
| 10pm | 3:30am |
| 11pm | 4:30am |