AEST to IST
Converting a fixed time. Australia/Sydney → Asia/Kolkata
Clocks go forward 1 hour on Sunday, 4th October 2026, at 1:59 am local time (3:00 am after the change).
Clocks here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| AEST | IST | 24h | Good to call? |
|---|---|---|---|
| 12am | 7pm Wed | 00:00 → 19:30 | asleep in AEST |
| 1am | 8pm Wed | 01:00 → 20:30 | asleep in AEST |
| 2am | 9pm Wed | 02:00 → 21:30 | asleep in AEST |
| 3am | 10pm Wed | 03:00 → 22:30 | asleep in IST |
| 4am | 11pm Wed | 04:00 → 23:30 | asleep in IST |
| 5am | 12am | 05:00 → 00:30 | asleep in IST |
| 6am | 1am | 06:00 → 01:30 | asleep in IST |
| 7am | 2am | 07:00 → 02:30 | asleep in IST |
| 8am | 3am | 08:00 → 03:30 | asleep in IST |
| 9am | 4am | 09:00 → 04:30 | asleep in IST |
| 10am | 5am | 10:00 → 05:30 | asleep in IST |
| 11am | 6am | 11:00 → 06:30 | asleep in IST |
| 12pm | 7am | 12:00 → 07:30 | awake, not at work |
| 1pm | 8am | 13:00 → 08:30 | awake, not at work |
| 2pm | 9am | 14:00 → 09:30 | both at work |
| 3pm now | 10am | 15:00 → 10:30 | both at work |
| 4pm | 11am | 16:00 → 11:30 | both at work |
| 5pm | 12pm | 17:00 → 12:30 | awake, not at work |
| 6pm | 1pm | 18:00 → 13:30 | awake, not at work |
| 7pm | 2pm | 19:00 → 14:30 | awake, not at work |
| 8pm | 3pm | 20:00 → 15:30 | awake, not at work |
| 9pm | 4pm | 21:00 → 16:30 | awake, not at work |
| 10pm | 5pm | 22:00 → 17:30 | asleep in AEST |
| 11pm | 6pm | 23:00 → 18:30 | asleep in AEST |
Call times
Both places are at work between 2pm and 17:00 in Sydney — 9am to 11am at the other end.
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
Questions people ask
What time is it in IST when it is 9:00 am in AEST?
4:30 am in IST the same day.
How many hours ahead is IST of AEST?
IST is 4 hours 30 minutes behind AEST. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between AEST and IST?
Both places are at work between 2pm and 17:00 in Sydney — 9am to 11am at the other end.
When does the difference between AEST and IST change?
AEST: Clocks go forward 1 hour on Sunday, 4th October 2026, at 1:59 am local time (3:00 am after the change). IST does not change its clocks, so the gap shifts by an hour on that date.