IST to AEDT Time Converter

Convert India Standard Time (IST) to Australian Eastern Daylight Time (AEDT). Both time zones are shown live below; current offset between them is 4h 30m ahead.

Mumbai · India Standard Time
18:28:44
Wednesday, May 13, 2026
GMT+5:30 · UTC+05:30
Sydney · Australian Eastern Daylight Time
22:58:44
Wednesday, May 13, 2026
GMT+10 · UTC+10:00

Convert a specific time

From: IST (Mumbai)
To: AEDT (Sydney)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
AEDT (Australian Eastern Daylight Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-10-04
Offset shift
UTC+10:00UTC+11:00

Heads up: AEDT observes DST while IST does not. The 4.5-hour difference shown above will shift by one hour when AEDT starts or ends DST.

When can IST and AEDT meet?

00
01
02
03
04
05
06
07
08
09
10
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12
13
14
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16
17
18
19
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23
IST
AEDT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Mumbai (IST). Each row shows the local working-hours state in that zone for the same moment in time.
4 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:0012:00 IST (13:3016:30 AEDT).

Hour-by-hour IST to AEDT conversion table

IST time (Mumbai)AEDT time (Sydney)Status
00:00 Wed04:30 WedOff-hours both sides
01:00 Wed05:30 WedOff-hours both sides
02:00 Wed06:30 WedOff-hours both sides
03:00 Wed07:30 WedOff-hours both sides
04:00 Wed08:30 WedOff-hours both sides
05:00 Wed09:30 WedAEDT working
06:00 Wed10:30 WedAEDT working
07:00 Wed11:30 WedAEDT working
08:00 Wed12:30 WedAEDT working
09:00 Wed13:30 WedBoth at work
10:00 Wed14:30 WedBoth at work
11:00 Wed15:30 WedBoth at work
12:00 Wed16:30 WedBoth at work
13:00 Wed17:30 WedIST working
14:00 Wed18:30 WedIST working
15:00 Wed19:30 WedIST working
16:00 Wed20:30 WedIST working
17:00 Wed21:30 WedOff-hours both sides
18:00 Wed22:30 WedOff-hours both sides
19:00 Wed23:30 WedOff-hours both sides
20:00 Wed00:30 ThuOff-hours both sides
21:00 Wed01:30 ThuOff-hours both sides
22:00 Wed02:30 ThuOff-hours both sides
23:00 Wed03:30 ThuOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata
Australian Eastern Daylight Time (AEDT)
IANA identifier
Australia/Sydney
Current UTC offset
UTC+10:00
Current abbreviation
GMT+10
Major cities in this zone
SydneyMelbourneCanberra

Sun today in Mumbai and Sydney

Mumbai
Sunrise
06:06
Sunset
19:06
Solar noon
12:36
Daylight
13h 0m
Sydney
Sunrise
06:39
Sunset
17:06
Solar noon
11:52
Daylight
10h 26m

Related converters

Looking for local time? See time in Mumbai or time in Sydney.

Frequently asked questions

What is the time difference between IST and AEDT right now?+
AEDT (Australian Eastern Daylight Time) is currently 4h 30m ahead IST (India Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IST or AEDT observe daylight saving time?+
IST: does not observe daylight saving time. AEDT: observes daylight saving time.
When is the best time to schedule a meeting between IST and AEDT?+
The strongest overlap is 09:00–12:00 IST (13:30–16:30 AEDT), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in Sydney when it is 12:00 noon in Mumbai?+
When it is 12:00 Wed in Mumbai (IST), it is 16:30 Wed in Sydney (AEDT).
Which IANA time zone identifiers are used for IST and AEDT?+
IST maps to "Asia/Kolkata" in the IANA database. AEDT maps to "Australia/Sydney". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Sydney?+
Whether Mumbai (IST) is ahead of or behind Sydney (AEDT) depends on the current UTC offsets. Right now AEDT is 4h 30m ahead IST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IST and AEDT?+
IST is UTC+05:30 (GMT+5:30) and AEDT is UTC+10:00 (GMT+10). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IST and AEDT?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–12:00 IST.