When it is 12:00 PM in GST, it is 12:00 AM the next day in AEST.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
GST is 12 hours behind AEST.
🕐 Add 12 hours to GST time to get AEST time.
GST uses 2 hours behind Universal Time (UTC-2) and AEST uses 10 hours ahead of Universal Time (UTC+1).
| GST Time | AEST Time | |
|---|---|---|
| 12 AM GST Time | ↔ | 12 PM AEST Time |
| 1 AM GST Time | ↔ | 1 PM AEST Time |
| 2 AM GST Time | ↔ | 2 PM AEST Time |
| 3 AM GST Time | ↔ | 3 PM AEST Time |
| 4 AM GST Time | ↔ | 4 PM AEST Time |
| 5 AM GST Time | ↔ | 5 PM AEST Time |
| 6 AM GST Time | ↔ | 6 PM AEST Time |
| 7 AM GST Time | ↔ | 7 PM AEST Time |
| 8 AM GST Time | ↔ | 8 PM AEST Time |
| 9 AM GST Time | ↔ | 9 PM AEST Time |
| 10 AM GST Time | ↔ | 10 PM AEST Time |
| 11 AM GST Time | ↔ | 11 PM AEST Time |
| GST Time | AEST Time | |
|---|---|---|
| 12 PM GST Time | ↔ | 12 AM AEST Time |
| 1 PM GST Time | ↔ | 1 AM AEST Time |
| 2 PM GST Time | ↔ | 2 AM AEST Time |
| 3 PM GST Time | ↔ | 3 AM AEST Time |
| 4 PM GST Time | ↔ | 4 AM AEST Time |
| 5 PM GST Time | ↔ | 5 AM AEST Time |
| 6 PM GST Time | ↔ | 6 AM AEST Time |
| 7 PM GST Time | ↔ | 7 AM AEST Time |
| 8 PM GST Time | ↔ | 8 AM AEST Time |
| 9 PM GST Time | ↔ | 9 AM AEST Time |
| 10 PM GST Time | ↔ | 10 AM AEST Time |
| 11 PM GST Time | ↔ | 11 AM AEST Time |
GST is 12 hours behind AEST.
GST is behind AEST by 12 hours.
It is 9:00 PM in AEST.