GMT to ACST Converter

ACST is 9h 30m ahead of GMT. When it's 12:00 PM GMT, it's 9:30 PM ACST.

From

GMT · UTC

4:09:48AM

Greenwich Mean Time

e.g. London

To

ACST · UTC+9:30

1:39:48PM

Australian Central Standard Time

e.g. Adelaide, Darwin

Open in World ClockACST → GMT
9:00 AM GMT=6:30 PM ACST
12:00 PM GMT=9:30 PM ACST
5:00 PM GMT=2:30 AM(+1 day) ACST

Hourly conversion (GMT → ACST)

GMTACST
12:00 AM9:30 AM
1:00 AM10:30 AM
2:00 AM11:30 AM
3:00 AM12:30 PM
4:00 AM1:30 PM
5:00 AM2:30 PM
6:00 AM3:30 PM
7:00 AM4:30 PM
8:00 AM5:30 PM
9:00 AM6:30 PM
10:00 AM7:30 PM
11:00 AM8:30 PM
12:00 PM9:30 PM
1:00 PM10:30 PM
2:00 PM11:30 PM
3:00 PM12:30 AM(+1 day)
4:00 PM1:30 AM(+1 day)
5:00 PM2:30 AM(+1 day)
6:00 PM3:30 AM(+1 day)
7:00 PM4:30 AM(+1 day)
8:00 PM5:30 AM(+1 day)
9:00 PM6:30 AM(+1 day)
10:00 PM7:30 AM(+1 day)
11:00 PM8:30 AM(+1 day)

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

GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.

More GMT conversions

Frequently asked questions

What is the time difference between GMT and ACST?
ACST is 9h 30m ahead of GMT. GMT is UTC and ACST is UTC+9:30.
What is 12:00 PM GMT in ACST?
12:00 PM GMT is 9:30 PM ACST.
Does GMT change for daylight saving time?
GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.