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Convert Australian Central Time to Central Time

ACST · UTC+9:30 → CST · UTC−6

ACST is 15 hours 30 minutes ahead of CST

Adelaide · ACDT

Wednesday, 7 October 2026

Chicago · CDT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
AdelaideACDT · +10:30
0003060912151821
ChicagoCDT · -05:00
0811141720230205

Shared working hours: 09:00–09:30 in Adelaide is 17:30–18:00 in Chicago.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

21:53 Wed 7 Oct Adelaide = 06:23 Wed 7 Oct Chicago

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Hour-by-hour conversion

Adelaide (ACST)Chicago (CST)
00:0008:30prev. day
01:0009:30prev. day
02:0010:30prev. day
03:0011:30prev. day
04:0012:30prev. day
05:0013:30prev. day
06:0014:30prev. day
07:0015:30prev. day
08:0016:30prev. day
09:0017:30prev. dayBoth at work
10:0018:30prev. day
11:0019:30prev. day
12:0020:30prev. day
13:0021:30prev. day
14:0022:30prev. day
15:0023:30prev. day
16:0000:30
17:0001:30
18:0002:30
19:0003:30
20:0004:30
21:0005:30Now
22:0006:30
23:0007:30

About this conversion

ACST here means Australian Central Time, represented by Adelaide (Australia/Adelaide), currently UTC+10:30. CST means Central Time, represented by Chicago (America/Chicago), currently UTC−5.

ACST is used by 2 zones, including Australia. If you meant a different one, see every meaning of ACST.

CST is used by 15 zones, including United States. See every meaning of CST.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Adelaide; day boundaries are marked where the date differs.

Quick answers

  • 09:00 ACST is 17:30 CST
  • 12:00 ACST is 20:30 CST
  • 15:00 ACST is 23:30 CST
  • 18:00 ACST is 02:30 CST

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