IST to ACST Converter

ACST is 4h 0m ahead of IST. When it's 12:00 PM IST, it's 4:00 PM ACST.

From

IST · UTC+5:30

9:39:51AM

India Standard Time

e.g. Kolkata

To

ACST · UTC+9:30

1:39:51PM

Australian Central Standard Time

e.g. Adelaide, Darwin

Open in World ClockACST → IST
9:00 AM IST=1:00 PM ACST
12:00 PM IST=4:00 PM ACST
5:00 PM IST=9:00 PM ACST

Hourly conversion (IST → ACST)

ISTACST
12:00 AM4:00 AM
1:00 AM5:00 AM
2:00 AM6:00 AM
3:00 AM7:00 AM
4:00 AM8:00 AM
5:00 AM9:00 AM
6:00 AM10:00 AM
7:00 AM11:00 AM
8:00 AM12:00 PM
9:00 AM1:00 PM
10:00 AM2:00 PM
11:00 AM3:00 PM
12:00 PM4:00 PM
1:00 PM5:00 PM
2:00 PM6:00 PM
3:00 PM7:00 PM
4:00 PM8:00 PM
5:00 PM9:00 PM
6:00 PM10:00 PM
7:00 PM11:00 PM
8:00 PM12:00 AM(+1 day)
9:00 PM1:00 AM(+1 day)
10:00 PM2:00 AM(+1 day)
11:00 PM3:00 AM(+1 day)

Shaded rows are within standard working hours (8am–6pm) on both sides.

IST here is India Standard Time (UTC+5:30). It can also mean Irish Standard Time or Israel Standard Time.

More IST conversions

Frequently asked questions

What is the time difference between IST and ACST?
ACST is 4h 0m ahead of IST. IST is UTC+5:30 and ACST is UTC+9:30.
What is 12:00 PM IST in ACST?
12:00 PM IST is 4:00 PM ACST.
Does IST change for daylight saving time?
IST here is India Standard Time (UTC+5:30). It can also mean Irish Standard Time or Israel Standard Time.