TimezoneToolbox

AEST to IST converter

IST is usually 5 h 30 min behind AEST. It is 4 h 30 min behind AEST 4 Apr–3 Oct 2026, because of daylight saving time.

Loading converter…

AEST to IST table

For 4 July 2026, when IST is 4 h 30 min behind AEST. Other dates: see the table on the right.

AESTIST24-hour
12:00 AM7:30 PM prev. day0:00 → 19:30
1:00 AM8:30 PM prev. day1:00 → 20:30
2:00 AM9:30 PM prev. day2:00 → 21:30
3:00 AM10:30 PM prev. day3:00 → 22:30
4:00 AM11:30 PM prev. day4:00 → 23:30
5:00 AM12:30 AM 5:00 → 0:30
6:00 AM1:30 AM 6:00 → 1:30
7:00 AM2:30 AM 7:00 → 2:30
8:00 AM3:30 AM 8:00 → 3:30
9:00 AM4:30 AM 9:00 → 4:30
10:00 AM5:30 AM 10:00 → 5:30
11:00 AM6:30 AM 11:00 → 6:30
12:00 PM7:30 AM 12:00 → 7:30
1:00 PM8:30 AM 13:00 → 8:30
2:00 PM9:30 AM 14:00 → 9:30
3:00 PM10:30 AM 15:00 → 10:30
4:00 PM11:30 AM 16:00 → 11:30
5:00 PM12:30 PM 17:00 → 12:30
6:00 PM1:30 PM 18:00 → 13:30
7:00 PM2:30 PM 19:00 → 14:30
8:00 PM3:30 PM 20:00 → 15:30
9:00 PM4:30 PM 21:00 → 16:30
10:00 PM5:30 PM 22:00 → 17:30
11:00 PM6:30 PM 23:00 → 18:30

When the difference changes

Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.

2026: from (UTC)until (UTC)IST vs AEST
1 January 20264 April 20265 h 30 min behind
4 April 20263 October 20264 h 30 min behind
3 October 202631 December 20265 h 30 min behind
2027: from (UTC)until (UTC)IST vs AEST
1 January 20273 April 20275 h 30 min behind
3 April 20272 October 20274 h 30 min behind
2 October 202731 December 20275 h 30 min behind

AEST: Australian Eastern Time · AEST time now
Queensland (Brisbane) uses AEST all year; New South Wales, Victoria, the ACT and Tasmania switch to AEDT (UTC+11) from October to April.

IST: India Standard Time · IST time now
IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.

Related converters

Questions

What is the time difference between AEST and IST?

IST is usually 5 h 30 min behind AEST. It is 4 h 30 min behind AEST 4 Apr–3 Oct 2026, because of daylight saving time.

What is 9 am AEST in IST?

9:00 am AEST is 4:30 AM IST, on dates when the usual difference applies. Use the converter above for any specific date.

Which AEST does this page use?

Queensland (Brisbane) uses AEST all year; New South Wales, Victoria, the ACT and Tasmania switch to AEDT (UTC+11) from October to April.

Which IST does this page use?

IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.