Convert AEST to CT

Australian Eastern Time (AEST) to Central Time (CT)

When it's 12:00 PM in Sydney, it's 9:00 PM in Chicago (previous day)

On Jan 1 – Mar 7, 2026; Nov 1, 2026 – Mar 13, 2027; Nov 7 – Dec 31, 2027: 7:00 PM in Chicago (previous day).

On Mar 8 – Apr 4, 2026; Oct 4 – Oct 31, 2026; Mar 14 – Apr 3, 2027; Oct 3 – Nov 6, 2027: 8:00 PM in Chicago (previous day).

AEST UTC+11 / UTC+10 CT UTC-6 / UTC-5 -17/-16/-15h

Interactive Converter

Pick any time and date to convert between AEST and CT.

Full 24-hour comparison. Business hours (9 AM -- 6 PM) are highlighted.

These times apply on all dates in 2026–2027 except:

Jan 1 – Mar 7, 2026; Nov 1, 2026 – Mar 13, 2027; Nov 7 – Dec 31, 2027: Chicago times are 2 hours earlier.
Mar 8 – Apr 4, 2026; Oct 4 – Oct 31, 2026; Mar 14 – Apr 3, 2027; Oct 3 – Nov 6, 2027: Chicago times are 1 hour earlier.

Top meeting times for teams in AEST and CT (9 AM -- 6 PM work hours, 1-hour meeting).

12a

12p

Sydney

Chicago

Overlap

Everyone available

Most available

Some overlap

Outside work hours

1 4:00 AM -- 5:00 AM in Sydney

Sydney: 4:00 AM Chicago: 1:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for Sydney.

5.9 / 10

2 5:00 AM -- 6:00 AM in Sydney

Sydney: 5:00 AM Chicago: 2:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for Sydney.

5.9 / 10

3 12:00 PM -- 1:00 PM in Sydney

Sydney: 12:00 PM Chicago: 9:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for Chicago.

5.9 / 10

These times apply on all dates in 2026–2027 except:

Jan 1 – Mar 7, 2026; Nov 1, 2026 – Mar 13, 2027; Nov 7 – Dec 31, 2027: Chicago times are 2 hours earlier.
Mar 8 – Apr 4, 2026; Oct 4 – Oct 31, 2026; Mar 14 – Apr 3, 2027; Oct 3 – Nov 6, 2027: Chicago times are 1 hour earlier.

The AEST to CT gap is -17h, -16h, or -15h, depending on daylight saving time. The table lists each period.

Dates	Sydney	Chicago	Difference
Jan 1 – Mar 7, 2026	UTC+11	UTC-6	-17h
Mar 8 – Apr 4, 2026	UTC+11	UTC-5	-16h
Apr 5 – Oct 3, 2026	UTC+10	UTC-5	-15h
Oct 4 – Oct 31, 2026	UTC+11	UTC-5	-16h
Nov 1, 2026 – Mar 13, 2027	UTC+11	UTC-6	-17h
Mar 14 – Apr 3, 2027	UTC+11	UTC-5	-16h
Apr 4 – Oct 2, 2027	UTC+10	UTC-5	-15h
Oct 3 – Nov 6, 2027	UTC+11	UTC-5	-16h
Nov 7 – Dec 31, 2027	UTC+11	UTC-6	-17h