IST to AEST Time Converter
Convert India Standard Time to Australian Eastern Time instantly.
Scroll the timeline to check any hour of the day.
India Standard Time
IST
1:54
Australian Eastern Time
AEST
6:24
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How the IST to AEST time difference works
AEST is 4 hours 30 minutes ahead of IST. India Standard Time (IST) is the time zone of India and Sri Lanka. Australian Eastern Time (AEST) is the time zone of eastern Australia. For example, 9:00 AM IST is 1:30 PM AEST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
4 hours 30 minutes
Daylight saving
AEST only
IST offset
UTC+5:30
AEST offset
UTC+10
IST to AEST conversion chart
| India Standard Time (IST) | Australian Eastern Time (AEST) |
|---|---|
| 12:00 AM | 4:30 AM |
| 1:00 AM | 5:30 AM |
| 2:00 AM | 6:30 AM |
| 3:00 AM | 7:30 AM |
| 4:00 AM | 8:30 AM |
| 5:00 AM | 9:30 AM |
| 6:00 AM | 10:30 AM |
| 7:00 AM | 11:30 AM |
| 8:00 AM | 12:30 PM |
| 9:00 AM | 1:30 PM |
| 10:00 AM | 2:30 PM |
| 11:00 AM | 3:30 PM |
| 12:00 PM | 4:30 PM |
| 1:00 PM | 5:30 PM |
| 2:00 PM | 6:30 PM |
| 3:00 PM | 7:30 PM |
| 4:00 PM | 8:30 PM |
| 5:00 PM | 9:30 PM |
| 6:00 PM | 10:30 PM |
| 7:00 PM | 11:30 PM |
| 8:00 PM | 12:30 AM +1 day |
| 9:00 PM | 1:30 AM +1 day |
| 10:00 PM | 2:30 AM +1 day |
| 11:00 PM | 3:30 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 12:30 PM IST (1:30 PM to 5:00 PM AEST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
India Standard Time (IST)
MumbaiDelhiBengaluruKolkataChennaiHyderabad
Australian Eastern Time (AEST)
SydneyMelbourneBrisbaneCanberraGold Coast
IST to AEST questions
Is AEST ahead of or behind IST?
AEST is 4 hours 30 minutes ahead of IST. So 9:00 AM IST is 1:30 PM AEST, and 5:00 PM IST is 9:30 PM AEST.
What time is it in AEST when it is 12:00 PM IST?
When it is 12:00 PM (noon) IST in India Standard Time, it is 4:30 PM AEST in Australian Eastern Time.
How many hours difference is there between IST and AEST?
There is a 4 hours 30 minutes difference. Australian Eastern Time (AEST) runs 4 hours 30 minutes ahead of India Standard Time (IST).
Do IST and AEST observe daylight saving time?
Australian Eastern Time observes daylight saving time but India Standard Time does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between IST and AEST?
A standard 9-to-5 workday overlaps from 9:00 AM to 12:30 PM IST (1:30 PM to 5:00 PM AEST). Scheduling inside that window keeps the call during business hours in both India Standard Time and Australian Eastern Time.
Which cities use IST and AEST?
India Standard Time (IST) covers cities such as Mumbai, Delhi, Bengaluru, Kolkata, Chennai, Hyderabad. Australian Eastern Time (AEST) covers cities such as Sydney, Melbourne, Brisbane, Canberra, Gold Coast.