IST to AEST
Convert India Time — Mumbai to Australian Eastern (no DST) — Brisbane — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Mumbai, it's 1:30 PM in Brisbane. Brisbane is 4½ hours ahead of Mumbai. Use the converter above to turn any IST time into AEST, or scan the hour-by-hour table below for the full day.
IST to AEST at a glance
Planning a meeting between Mumbai and Brisbane
Planning a call between Mumbai and Brisbane? The best overlap during a standard 9-to-5 workday runs 9:00 AM–12:30 PM IST (1:30 PM–5:00 PM AEST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Mumbai to Brisbane
A full day mapped from IST to AEST.
Frequently asked
Is Brisbane ahead of or behind Mumbai?
Brisbane is 4½ hours ahead of Mumbai.
What is 12:00 PM IST in AEST?
12:00 PM in Mumbai is 4:30 PM in Brisbane.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so IST and AEST automatically reflect the correct daylight-saving offset for the current date.