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Global ClockTime zone converter & meeting planner
PAGES
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

AEST to CST

AEST is UTC+10 and CST is UTC−5 today — CST is 15 hours behind AEST. Abbreviations are for reading: this page resolves AEST to Australia/Sydney and CST to America/Chicago, which are the names that do not go ambiguous.

CST: US Central — China Standard Time also uses these letters.

The working day, side by side

The working days do not meet at all. Current abbreviations: AEST and CDT.

AEST and CST hour by hour, with the working-hour overlap shaded
City00:00 in AEST01:00 in AEST02:00 in AEST03:00 in AEST04:00 in AEST05:00 in AEST06:00 in AEST07:00 in AEST08:00 in AEST09:00 in AEST10:00 in AEST11:00 in AEST12:00 in AEST13:00 in AEST14:00 in AEST15:00 in AEST16:00 in AEST17:00 in AEST18:00 in AEST19:00 in AEST20:00 in AEST21:00 in AEST22:00 in AEST23:00 in AEST
AEST——000102030405060708091011121314151617181920212223
CST——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with AEST and CST

Open in the PlannerAdd more cities or zones, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep AEST, CST and other zones on screen as live clocks, under an animated sky and sun.

Common questions

What is AEST in CST?

CST is 15 hours behind AEST today: noon in AEST is 21:00 in CST.

Is AEST the same all year?

AEST refers to the offset used by Australia/Sydney. Where that zone observes daylight saving, the letters change with it, which is why this site stores the identifier and not the abbreviation.

When can AEST and CST meet?

They do not overlap during working hours. 08:00–09:00 your time (17:00 there) is the cheapest compromise.

AEST converted to other zones