CST to AEST Time Converter
Australian Eastern Standard Time (AEST) is currently 16 hours ahead of Central Standard Time (CST). CST is UTC-6 and AEST is UTC+10. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 5:00 PM in CST, which is 9:00 AM to 5:00 PM in AEST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: CST to AEST
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
CST and AEST are fixed offsets, so the difference between them never changes.
This page covers North American Central Standard Time, UTC-6. The region switches to CDT (UTC-5) in summer. CST can also refer to China Standard Time, which is UTC+8.
AEST is UTC+10. Sydney and Melbourne switch to AEDT (UTC+11) from October to April, while Brisbane stays on AEST year round.
Frequently Asked Questions
How many hours ahead is AEST compared to CST?
AEST is currently 16 hours ahead of CST. CST and AEST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in CST in AEST?
9:00 AM in CST is 1:00 AM in AEST on the next day.
What is the best time for a call between CST and AEST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 5:00 PM in CST, which is 9:00 AM to 5:00 PM in AEST.