IST to AEST — Time Zone Converter
India Standard Time (IST, UTC+5:30) covers India; Australian Eastern Time (AEST, UTC+10) covers eastern Australia. In standard time, AEST is 4½ hours ahead of IST. Mornings in India overlap with afternoons in eastern Australia, which keeps both sides inside office hours. Use the live converter below — it applies today's IANA time zone data, including daylight saving time, and gives you a meeting schedule you can paste straight into email or Slack.
IST to AEST, hour by hour (today)
Frequently asked questions
What is the time difference between IST and AEST?+
India Standard Time (IST) is UTC+5:30 and Australian Eastern Time (AEST) is UTC+10, so in standard time AEST is 4½ hours ahead of IST. The gap shifts by an hour around daylight saving transitions, so always check a live converter near the change dates in spring and autumn.
Does IST or AEST observe daylight saving time?+
India Standard Time stays on UTC+5:30 all year — no daylight saving time. Australian Eastern Time observes daylight saving time (AEST in winter, AEDT in summer).
What is the best time for a meeting between IST and AEST?+
Mornings in India overlap with afternoons in eastern Australia, which keeps both sides inside office hours. The converter above highlights office hours in green for both zones, so you can slide to a time that works for everyone.
How do I share a IST to AEST meeting time by email?+
Pick a time in the converter, log it to the Smart Clipboard, and copy it as bullets, a formatted table, or a one-line question — with both IST and AEST times spelled out so nobody has to do the math.