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IST to AEST converter

Australian Eastern Time (AEST) is 5 hours 30 minutes ahead of India Standard Time (IST) for most of the year, and 4 hours 30 minutes for the rest because of daylight saving time.

India Standard Time · IST

2:31 PM

Sunday 25 October

Australian Eastern Time · AEDT

8:01 PM

Sunday 25 October

Right now, Australian Eastern Time is 5 hours 30 minutes ahead of India Standard Time. Updates live from your device’s clock.

Hour by hour

Today’s conversion. Green dots mark 9-to-5 working hours.

IST to AEST time conversion table for today
ISTAEST
12:00 AM5:30 AM
1:00 AM6:30 AM
2:00 AM7:30 AM
3:00 AM8:30 AM
4:00 AM9:30 AM
5:00 AM10:30 AM
6:00 AM11:30 AM
7:00 AM12:30 PM
8:00 AM1:30 PM
9:00 AM2:30 PM
10:00 AM3:30 PM
11:00 AM4:30 PM
12:00 PM5:30 PM
1:00 PM6:30 PM
2:00 PM7:30 PM
3:00 PM8:30 PM
4:00 PM9:30 PM
5:00 PM10:30 PM
6:00 PM11:30 PM
7:00 PM12:30 AMnext day
8:00 PM1:30 AMnext day
9:00 PM2:30 AMnext day
10:00 PM3:30 AMnext day
11:00 PM4:30 AMnext day

Best time to meet

When both sides are inside 9 AM–5 PM on a weekday, in winter and in summer. If there’s no overlap, we show when both are awake (8 AM–9 PM).

Mid-January

  • 9:00 AM–11:30 AMin IST=2:30 PM–5:00 PMin AEST

Mid-July

  • 9:00 AM–12:30 PMin IST=1:30 PM–5:00 PMin AEST

When the gap changes

  • 25 October 2026 → 4 April 2027AEST +5h 30m
  • 4 April 2027 → 3 October 2027AEST +4h 30m
  • 3 October 2027 → 1 January 2028AEST +5h 30m

India Standard Time is UTC+5:30 all year. India doesn't use daylight saving time, so every change in the gap comes from the other side.

Sydney and Melbourne use AEST (UTC+10) from April to October and AEDT (UTC+11) during the southern summer. Brisbane stays on AEST all year.

Questions

What is the time difference between India Standard Time and Australian Eastern Time?

Australian Eastern Time is 5 hours 30 minutes ahead of India Standard Time for most of the year. Because of daylight saving time, the gap is 4 hours 30 minutes for part of the year.

If it's 9 AM in India Standard Time, what time is it in Australian Eastern Time?

When it's 9:00 AM in India Standard Time, it's 2:30 PM in Australian Eastern Time. At 5:00 PM in India Standard Time, it's 10:30 PM in Australian Eastern Time. (Based on today's offsets.)

What is the best time for a call between India Standard Time and Australian Eastern Time?

Working hours overlap from 9:00 AM to 11:30 AM in India Standard Time, which is 2:30 PM to 5:00 PM in Australian Eastern Time.

Does India Standard Time use daylight saving time?

No. India Standard Time stays on the same offset all year.

Does Australian Eastern Time use daylight saving time?

Yes. Australian Eastern Time's next clock changes are on Sunday, 4 October 2026 (forward one hour) and Sunday, 4 April 2027 (back one hour).