IST to Sydney Time Converter

Convert India Standard Time to Sydney instantly.
Scroll the timeline to check any hour of the day.

India Standard Time IST
1:57 AM Jun 21
Sydney AEST
6:27 AM Jun 21

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How the IST to Sydney time difference works

Sydney is 4 hours 30 minutes ahead of IST. India Standard Time (IST) is the time zone of India and Sri Lanka. Sydney (AEST) is a city in Australia. For example, 9:00 AM IST is 1:30 PM Sydney. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.

Time difference
4 hours 30 minutes
Daylight saving
Sydney only
IST offset
UTC+5:30
Sydney offset
UTC+10

IST to Sydney conversion chart

India Standard Time (IST) Sydney (AEST)
12:00 AM 4:30 AM
1:00 AM 5:30 AM
2:00 AM 6:30 AM
3:00 AM 7:30 AM
4:00 AM 8:30 AM
5:00 AM 9:30 AM
6:00 AM 10:30 AM
7:00 AM 11:30 AM
8:00 AM 12:30 PM
9:00 AM 1:30 PM
10:00 AM 2:30 PM
11:00 AM 3:30 PM
12:00 PM 4:30 PM
1:00 PM 5:30 PM
2:00 PM 6:30 PM
3:00 PM 7:30 PM
4:00 PM 8:30 PM
5:00 PM 9:30 PM
6:00 PM 10:30 PM
7:00 PM 11:30 PM
8:00 PM 12:30 AM +1 day
9:00 PM 1:30 AM +1 day
10:00 PM 2:30 AM +1 day
11:00 PM 3:30 AM +1 day
Best time to meet

A standard 9 to 5 workday overlaps from 9:00 AM to 12:30 PM IST (1:30 PM to 5:00 PM Sydney). Schedule inside that window to catch both coasts during business hours.

Cities in each time zone

India Standard Time (IST)
MumbaiDelhiBengaluruKolkataChennaiHyderabad
Sydney (AEST)
CanberraAustralian Eastern Time

IST to Sydney questions

Is Sydney ahead of or behind IST?
Sydney is 4 hours 30 minutes ahead of IST. So 9:00 AM IST is 1:30 PM Sydney, and 5:00 PM IST is 9:30 PM Sydney.
What time is it in Sydney when it is 12:00 PM IST?
When it is 12:00 PM (noon) IST in India Standard Time, it is 4:30 PM Sydney in Sydney.
How many hours difference is there between IST and Sydney?
There is a 4 hours 30 minutes difference. Sydney (AEST) runs 4 hours 30 minutes ahead of India Standard Time (IST).
Do IST and Sydney observe daylight saving time?
Sydney observes daylight saving time but India Standard Time does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between IST and Sydney?
A standard 9-to-5 workday overlaps from 9:00 AM to 12:30 PM IST (1:30 PM to 5:00 PM Sydney). Scheduling inside that window keeps the call during business hours in both India Standard Time and Sydney.
Which cities use IST and Sydney?
India Standard Time (IST) covers cities such as Mumbai, Delhi, Bengaluru, Kolkata, Chennai, Hyderabad. Sydney (AEST) covers cities such as Canberra, Australian Eastern Time.

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