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IST to AEST converter
India Standard Time
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Australian Eastern Time
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Australian Eastern Time is 4 hours 30 minutes ahead of India Standard Time for most of the year, and 5 hours 30 minutes ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to April 4: Australian Eastern Time is 5 hours 30 minutes ahead of India Standard Time
- April 5 to October 3: Australian Eastern Time is 4 hours 30 minutes ahead of India Standard Time
- October 4 to December 31: Australian Eastern Time is 5 hours 30 minutes ahead of India Standard Time
Questions
What time is 9 AM IST in AEST?
For most of the year, 9 AM India Standard Time is 1:30 PM Australian Eastern Time. For part of the year it is 2:30 PM, because of daylight saving time.
How many hours ahead or behind is AEST from IST?
Australian Eastern Time is 4 hours 30 minutes ahead of India Standard Time for most of the year, and 5 hours 30 minutes ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the IST to AEST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
IST to AEST, hour by hour
| India Standard Time | Australian Eastern Time |
|---|---|
| 12 AM | 5:30 AM |
| 1 AM | 6:30 AM |
| 2 AM | 7:30 AM |
| 3 AM | 8:30 AM |
| 4 AM | 9:30 AM |
| 5 AM | 10:30 AM |
| 6 AM | 11:30 AM |
| 7 AM | 12:30 PM |
| 8 AM | 1:30 PM |
| 9 AM | 2:30 PM |
| 10 AM | 3:30 PM |
| 11 AM | 4:30 PM |
| 12 PM | 5:30 PM |
| 1 PM | 6:30 PM |
| 2 PM | 7:30 PM |
| 3 PM | 8:30 PM |
| 4 PM | 9:30 PM |
| 5 PM | 10:30 PM |
| 6 PM | 11:30 PM |
| 7 PM | 12:30 AM (next day) |
| 8 PM | 1:30 AM (next day) |
| 9 PM | 2:30 AM (next day) |
| 10 PM | 3:30 AM (next day) |
| 11 PM | 4:30 AM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.