IST to AEST Time Zone Converter — Time Difference Between Kolkata and Brisbane
Drag the slider or click the time display to type a specific hour and instantly convert IST to AEST. The time difference between Kolkata and Brisbane is 4:30 hours — Brisbane (AEST) is ahead of Kolkata (IST) (UTC+5:30 vs UTC+10:00); for example, 9:00 AM IST = 1:30 PM AEST; to convert, add 4:30 hours. Use this IST to AEST time zone converter to check the live current time in both cities, browse the 24-hour IST to AEST conversion table, plan international meetings, find the best overlap hours, and account for daylight saving time changes automatically.
IST
India Standard Time
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AEST
Australian Eastern Standard Time
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IST to AEST Time Zone Difference — Hour-by-Hour Conversion Table
Scan each row to convert any IST time to AEST and find the exact time difference between Kolkata and Brisbane hour by hour. Amber-highlighted rows mark standard daytime business hours, making it easy to spot overlapping work windows for scheduling international meetings or remote team calls. Tap the arrows to jump between days, click "Today" to reset, and all daylight saving time transitions are handled automatically.
| IST (Kolkata) | AEST (Brisbane) |
|---|
What Time Is It Now in Kolkata?
Live current local time in Kolkata, India — IST (UTC+5:30). Updates every second.
What Time Is It Now in Brisbane?
Live current local time in Brisbane, Australia — AEST (UTC+10:00). Updates every second.
IST to AEST Quick Reference
Common business hours in Kolkata converted to Brisbane local time — handy for scheduling video calls, client meetings, and international conference calls.
IST & AEST Meeting Planner — Best Overlapping Hours
Use the color-coded conversion table above to find overlapping business hours between Kolkata and Brisbane. Amber rows mark standard daytime work hours (8 AM–6 PM local time) — pick a slot that falls in amber on both sides for a meeting time that works for everyone. Since IST (UTC+5:30) is 4:30 hours ahead of AEST (UTC+10:00), this time zone meeting planner is ideal for scheduling international calls, remote team standups, and cross-border project syncs.
Why Trust This Kolkata to Brisbane Time Zone Converter?
ConvertFlash uses the IANA Time Zone Database — the same authoritative source that powers your phone, browser, and every major operating system — so every Kolkata to Brisbane conversion handles daylight saving time transitions, half-hour UTC offsets, and historical time zone changes automatically. The live world clock updates every second, and the hour-by-hour conversion table regenerates correctly for any past or future date you select, making it reliable for both real-time checks and advance international scheduling.
IST — India Standard Time
Kolkata, India — UTC offset UTC+5:30
- Abbreviation
- IST
- UTC Offset
- UTC+5:30
- City
- Kolkata
- Country
- India
AEST — Australian Eastern Standard Time
Brisbane, Australia — UTC offset UTC+10:00
- Abbreviation
- AEST
- UTC Offset
- UTC+10:00
- City
- Brisbane
- Country
- Australia