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AEST to IST Converter

IST is 5 hours 30 minutes behind AEST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.

IST to AEST instead

Time difference between AEST and IST

IST is 5 hours 30 minutes behind AEST for most of the year.

  • 2026: IST is 4 hours 30 minutes behind AEST from Apr 5 – Oct 3, 2026.
  • 2027: IST is 4 hours 30 minutes behind AEST from Apr 4 – Oct 2, 2027.

AEST to IST conversion table

AESTISTMost of the yearISTApr 5 – Oct 3, 2026
12 AM6:30 PM−1 day7:30 PM−1 day
1 AM7:30 PM−1 day8:30 PM−1 day
2 AM8:30 PM−1 day9:30 PM−1 day
3 AM9:30 PM−1 day10:30 PM−1 day
4 AM10:30 PM−1 day11:30 PM−1 day
5 AM11:30 PM−1 day12:30 AM
6 AM12:30 AM1:30 AM
7 AM1:30 AM2:30 AM
8 AM2:30 AM3:30 AM
9 AM3:30 AM4:30 AM
10 AM4:30 AM5:30 AM
11 AM5:30 AM6:30 AM
12 PM6:30 AM7:30 AM
1 PM7:30 AM8:30 AM
2 PM8:30 AM9:30 AM
3 PM9:30 AM10:30 AM
4 PM10:30 AM11:30 AM
5 PM11:30 AM12:30 PM
6 PM12:30 PM1:30 PM
7 PM1:30 PM2:30 PM
8 PM2:30 PM3:30 PM
9 PM3:30 PM4:30 PM
10 PM4:30 PM5:30 PM
11 PM5:30 PM6:30 PM

Best time to meet

Working hours (9 AM – 5 PM) overlap for 2 hours 30 minutes: 2:30 PM – 5 PM AEST (9 AM – 11:30 AM IST). That window is the best time for calls and meetings.

Frequently asked questions

What time is it in IST when it's 9 AM in AEST?

3:30 AM for most of the year. IST is 5 hours 30 minutes behind AEST.

How many hours is IST behind AEST?

Usually 5 hours 30 minutes. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: IST is 4 hours 30 minutes behind AEST from Apr 5 – Oct 3, 2026. 2027: IST is 4 hours 30 minutes behind AEST from Apr 4 – Oct 2, 2027.

Does AEST use daylight saving time?

Yes. Australian Eastern Time is UTC+11 (UTC+11) in January and UTC+10 (UTC+10) in July. Apr 4, 2026: clocks go back to UTC+10; Oct 3, 2026: clocks go forward to UTC+11.

Does IST use daylight saving time?

No. India Standard Time stays at UTC+5:30 all year.

When is the best time to schedule a meeting between AEST and IST?

Working hours (9 AM – 5 PM) overlap for 2 hours 30 minutes: 2:30 PM – 5 PM AEST (9 AM – 11:30 AM IST). That window is the best time for calls and meetings.

Which IST does this page use?

IST here means India Standard Time (UTC+5:30), not Irish or Israel Standard Time.