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AEST to IST Converter

AEST
Australian Eastern Standard Time
GMT +10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
India Standard Time
GMT +5:30
yesterday
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

AEST is 4 hours and 30 minutes ahead of IST. AEST uses GMT +10, and IST uses GMT +5:30 for this comparison.

For example, 2:30 am AEST is 10:00 pm IST. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 1:30pm-5pm AEST, which is 9am-12:30pm IST.

Compare AEST time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Australian Eastern Standard Time is 4 hours and 30 minutes ahead of India Standard Time
2:30 am02:30 in AEST is 10:00 pm22:00 in IST

AEST to IST call time
Best time for a conference call or a meeting is between 1:30pm-5pm in AEST which corresponds to 9am-12:30pm in IST

2:30 am02:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
10:00 pm22:00 India Standard Time (IST). Offset UTC +5:30 hours

2:30 am02:30 AEST / 10:00 pm22:00 IST

AESTIST
12am (midnight)7:30 pm
1am8:30 pm
2am9:30 pm
3am10:30 pm
4am11:30 pm
5am12:30 am
6am1:30 am
7am2:30 am
8am3:30 am
9am4:30 am
10am5:30 am
11am6:30 am
12pm (noon)7:30 am
1pm8:30 am
2pm9:30 am
3pm10:30 am
4pm11:30 am
5pm12:30 pm
6pm1:30 pm
7pm2:30 pm
8pm3:30 pm
9pm4:30 pm
10pm5:30 pm
11pm6:30 pm
00:0019:30
01:0020:30
02:0021:30
03:0022:30
04:0023:30
05:0000:30
06:0001:30
07:0002:30
08:0003:30
09:0004:30
10:0005:30
11:0006:30
12:0007:30
13:0008:30
14:0009:30
15:0010:30
16:0011:30
17:0012:30
18:0013:30
19:0014:30
20:0015:30
21:0016:30
22:0017:30
23:0018:30

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 4.627 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Canberra.

AEST Time Zone Geo Map
AEST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Eastern Standard Time (AEST) started on Sunday, April 5, 2026 at 3:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually on the first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Eastern Standard Time (AEST) ends on Sunday, October 4, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, October 4, 2026, 3:00 am local daylight time instead. Standard time ends annually on the first Sunday of October.

Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra

Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.

AEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Macquarie
  • Australia/ACT
  • Australia/Brisbane
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Lindeman
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Queensland
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT