AESTtoISTAustralian Eastern Standard Time to India Standard Time
AEST
Australian Eastern Standard Time (GMT+11)IST
India Standard Time (GMT+5:30)Mutual Working Window: 2 Overlapping Hours
Recommended calling window between AEST and IST
Both locations share 2 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between AEST and IST.
| AEST Time (Australian Eastern Standard Time) | IST Time (India Standard Time) | Status & Recommendation |
|---|---|---|
| 00:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 00:00AM | ⚪ Outside Work Hours |
| 07:00AM | 01:00AM | ⚪ Outside Work Hours |
| 08:00AM | 02:00AM | ⚪ Outside Work Hours |
| 09:00AM | 03:00AM | ⚪ Outside Work Hours |
| 10:00AM | 04:00AM | ⚪ Outside Work Hours |
| 11:00AM | 05:00AM | ⚪ Outside Work Hours |
| 12:00PM | 06:00AM | ⚪ Outside Work Hours |
| 13:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 11:00AM | ⚪ Outside Work Hours |
| 18:00PM | 12:00PM | ⚪ Outside Work Hours |
| 19:00PM | 13:00PM | ⚪ Outside Work Hours |
| 20:00PM | 14:00PM | ⚪ Outside Work Hours |
| 21:00PM | 15:00PM | ⚪ Outside Work Hours |
| 22:00PM | 16:00PM | ⚪ Outside Work Hours |
| 23:00PM | 17:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between AEST and IST?
IST is 5 hours 30 minutes behind AEST. When it is 12:00 PM (noon) in AEST, the current synchronized time in IST is 6:30 AM.
What are the overlapping working hours between AEST and IST?
There are 2 overlapping standard business hours (9:00 AM – 5:00 PM) between AEST and IST. The optimal scheduling window is 3:00 PM – 5:00 PM in AEST (9:00 AM – 11:00 AM in IST).
Does daylight saving time affect the conversion between AEST and IST?
Yes. AEST observes daylight saving shifts, moving the offset by 1 hour on scheduled transition dates.
What regions and major cities observe AEST and IST?
AEST (Australian Eastern Standard Time) is primarily observed across Eastern Australia (New South Wales, Victoria, Queensland, ACT) (key hubs include Sydney, Melbourne, Brisbane, Canberra). IST (India Standard Time) is observed across South Asia (Republic of India & Sri Lanka) (key hubs include New Delhi, Mumbai, Bengaluru, Hyderabad).
What is 9:00 AM AEST in IST?
9:00 AM in AEST corresponds to 3:30 AM in IST. You can cross-reference every hour of the day in the 24-hour visual schedule table above.
Which time zone is ahead, AEST or IST?
AEST is ahead by 5 hours and 30 minutes.