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  3. GST to ACST
  4. 6 AM

6 AM GST to ACST

6 AM GST = 12:30 PM ACST. ACST is 6 hours 30 minutes ahead of GST today.

3 hours of the workday overlap: 9 AM-12 PM GST is 3:30 PM-6:30 PM ACST. Quick answers: 9 AM GST = 3:30 PM ACST, 12 PM GST = 6:30 PM ACST, 5 PM GST = 11:30 PM ACST.

GST · Gulf Standard Time

UTC+4

ACST · Australian Central Standard Time

UTC+10:30

Convert a time

ACST
--:--

Working hours side by side

columns: GST hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

GST to ACST conversion table

GSTACSTVerdict in ACST
12 AM · 00:006:30 AM · 06:30NOT NOW
1 AM · 01:007:30 AM · 07:30MAYBE
2 AM · 02:008:30 AM · 08:30MAYBE
3 AM · 03:009:30 AM · 09:30PING
4 AM · 04:0010:30 AM · 10:30PING
5 AM · 05:0011:30 AM · 11:30PING
6 AM · 06:0012:30 PM · 12:30PING
7 AM · 07:001:30 PM · 13:30PING
8 AM · 08:002:30 PM · 14:30PING
9 AM · 09:003:30 PM · 15:30PING
10 AM · 10:004:30 PM · 16:30PING
11 AM · 11:005:30 PM · 17:30PING
12 PM · 12:006:30 PM · 18:30MAYBE
1 PM · 13:007:30 PM · 19:30MAYBE
2 PM · 14:008:30 PM · 20:30MAYBE
3 PM · 15:009:30 PM · 21:30NOT NOW
4 PM · 16:0010:30 PM · 22:30NOT NOW
5 PM · 17:0011:30 PM · 23:30NOT NOW
6 PM · 18:0012:30 AM · 00:30 (next day)NOT NOW
7 PM · 19:001:30 AM · 01:30 (next day)NOT NOW
8 PM · 20:002:30 AM · 02:30 (next day)NOT NOW
9 PM · 21:003:30 AM · 03:30 (next day)NOT NOW
10 PM · 22:004:30 AM · 04:30 (next day)NOT NOW
11 PM · 23:005:30 AM · 05:30 (next day)NOT NOW

Cities on GST

Asia/Dubai
DubaiAbu DhabiSharjahAl Ain CityAjmanDayrah

Cities on ACST

Australia/Adelaide
AdelaideAdelaide HillsMount GambierMorphett ValeMount BarkerWhyalla

Other conversions

All converters
ACST → GSTGST → ESTGST → EDTGST → PSTGST → PDTGST → CSTGST → CDTGST → MSTGST → GMTGST → UTCGST → BST

Questions

What is the time difference between GST and ACST?

ACST (Australian Central Standard Time) is 6 hours 30 minutes ahead of GST (Gulf Standard Time) right now: UTC+4 versus UTC+10:30.

What is 9 AM GST in ACST?

9:00 AM GST is 3:30 PM ACST.

What is 5 PM GST in ACST?

5:00 PM GST is 11:30 PM ACST.

Does daylight saving change the GST–ACST difference?

GST has no daylight saving; it stays UTC+4 all year. Adelaide switches between ACST; next change Sunday, 4 April 2027 (UTC+10:30 → UTC+9:30).