AEST to IST Time Converter

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

Sydney · Australian Eastern Standard Time
06:55:29
Monday, May 11, 2026
GMT+10 · UTC+10:00
Mumbai · India Standard Time
02:25:29
Monday, May 11, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

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

Daylight Saving status right now

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

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

When can AEST and IST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
AEST
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Sydney (AEST). Each row shows the local working-hours state in that zone for the same moment in time.
3 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 14:0016:00 AEST (09:3011:30 IST).

Hour-by-hour AEST to IST conversion table

AEST time (Sydney)IST time (Mumbai)Status
00:00 Mon19:30 SunOff-hours both sides
01:00 Mon20:30 SunOff-hours both sides
02:00 Mon21:30 SunOff-hours both sides
03:00 Mon22:30 SunOff-hours both sides
04:00 Mon23:30 SunOff-hours both sides
05:00 Mon00:30 MonOff-hours both sides
06:00 Mon01:30 MonOff-hours both sides
07:00 Mon02:30 MonOff-hours both sides
08:00 Mon03:30 MonOff-hours both sides
09:00 Mon04:30 MonAEST working
10:00 Mon05:30 MonAEST working
11:00 Mon06:30 MonAEST working
12:00 Mon07:30 MonAEST working
13:00 Mon08:30 MonAEST working
14:00 Mon09:30 MonBoth at work
15:00 Mon10:30 MonBoth at work
16:00 Mon11:30 MonBoth at work
17:00 Mon12:30 MonIST working
18:00 Mon13:30 MonIST working
19:00 Mon14:30 MonIST working
20:00 Mon15:30 MonIST working
21:00 Mon16:30 MonIST working
22:00 Mon17:30 MonOff-hours both sides
23:00 Mon18:30 MonOff-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

Australian Eastern Standard Time (AEST)
IANA identifier
Australia/Sydney
Current UTC offset
UTC+10:00
Current abbreviation
GMT+10
Major cities in this zone
SydneyMelbourneCanberra
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

Sun today in Sydney and Mumbai

Sydney
Sunrise
06:38
Sunset
17:07
Solar noon
11:52
Daylight
10h 29m
Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m

Related converters

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

Frequently asked questions

What is the time difference between AEST and IST right now?+
IST (India Standard Time) is currently 4h 30m behind AEST (Australian Eastern Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does AEST or IST observe daylight saving time?+
AEST: observes daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between AEST and IST?+
The strongest overlap is 14:00–16:00 AEST (09:30–11:30 IST), giving 3 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Sydney?+
When it is 12:00 Mon in Sydney (AEST), it is 07:30 Mon in Mumbai (IST).
Which IANA time zone identifiers are used for AEST and IST?+
AEST maps to "Australia/Sydney" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Sydney ahead of or behind Mumbai?+
Whether Sydney (AEST) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 4h 30m behind AEST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for AEST and IST?+
AEST is UTC+10:00 (GMT+10) and IST is UTC+05:30 (GMT+5:30). 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 AEST and IST?+
Yes. There are 3 hours of overlap during standard 9am-5pm working hours, with the strongest window at 14:00–16:00 AEST.