IST to AEST time converter
From Apr 5 to Oct 3, AEST is 4h 30m ahead of IST. From Oct 4 to Apr 4, AEDT is 5h 30m ahead of IST. From Apr 5 to Oct 3, 9:00 AM IST is 1:30 PM AEST. From Oct 4 to Apr 4, 9:00 AM IST is 2:30 PM AEDT.
How many hours is AEST from IST?
Today, AEDT is 5h 30m ahead of IST.
From Apr 5 to Oct 3, AEST is 4h 30m ahead of IST. From Oct 4 to Apr 4, AEDT is 5h 30m ahead of IST.
AEST and AEDT are both Australian Eastern Time (Sydney).
What's the best time for a meeting between IST and AEST?
9:00 AM to 12:30 PM IST (2:30 PM to 6:00 PM AEDT) falls inside 9 AM to 6 PM work hours on both sides.
What time is it in AEST for each hour in IST?
Every hour of today in IST, with daylight saving applied. Green means work hours (9 AM to 6 PM) on both sides.
| IST | AEDT | Day |
|---|---|---|
| 12:00 AM | 5:30 AM | |
| 1:00 AM | 6:30 AM | |
| 2:00 AM | 7:30 AM | |
| 3:00 AM | 8:30 AM | |
| 4:00 AM | 9:30 AM | |
| 5:00 AM | 10:30 AM | |
| 6:00 AM | 11:30 AM | |
| 7:00 AM | 12:30 PM | |
| 8:00 AM | 1:30 PM | |
| 9:00 AM | 2:30 PM | |
| 10:00 AM | 3:30 PM | |
| 11:00 AM | 4:30 PM | |
| 12:00 PM | 5:30 PM | |
| 1:00 PM | 6:30 PM | |
| 2:00 PM | 7:30 PM | |
| 3:00 PM | 8:30 PM | |
| 4:00 PM | 9:30 PM | |
| 5:00 PM | 10:30 PM | |
| 6:00 PM | 11:30 PM | |
| 7:00 PM | 12:30 AM | next day |
| 8:00 PM | 1:30 AM | next day |
| 9:00 PM | 2:30 AM | next day |
| 10:00 PM | 3:30 AM | next day |
| 11:00 PM | 4:30 AM | next day |
Questions
From Apr 5 to Oct 3, AEST is 4h 30m ahead of IST. From Oct 4 to Apr 4, AEDT is 5h 30m ahead of IST. AEST and AEDT are both Australian Eastern Time (Sydney).
Yes. Australian Eastern Time changes its clocks on Apr 5 and Oct 4, 2026. India doesn't change clocks. The IST to AEST gap follows these dates, and so does the converter on this page.
From Apr 5 to Oct 3, 9:00 AM IST is 1:30 PM AEST. From Oct 4 to Apr 4, 9:00 AM IST is 2:30 PM AEDT.
From Apr 5 to Oct 3: 9:00 AM to 1:30 PM IST (1:30 PM to 6:00 PM AEST) falls inside 9 AM to 6 PM work hours on both sides. From Oct 4 to Apr 4: 9:00 AM to 12:30 PM IST (2:30 PM to 6:00 PM AEDT) falls inside 9 AM to 6 PM work hours on both sides.
Drag on the IST clock above to mark when you're free, then tap Copy link or Copy image. The AEST clock shows them in their time, and the link opens in their own time zone with no sign-up.
Related conversions
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How this page is made: every time here is computed from the IANA time zone database for the date shown, the same data your phone clock uses. Checked October 15, 2026. Spot a wrong time? Tell us.