There are no overlapping standard business hours (9am - 5pm). Use the interactive converter above to visually compare hours side by side.

Chicago

CST (GMT-6)

CDT starts on Mar 14, 2027

Darwin

ACST (GMT+9:30)

No Daylight Saving Time

What is the best time to schedule a meeting between Chicago and Darwin?

There are no overlapping business hours. Consider early morning or late evening meetings, or use the interactive converter on this page to find a workable time slot.

How many hours apart are Chicago and Darwin?

Darwin is 15.5 hours ahead of Chicago.

Does the overlap change with daylight saving time?

Chicago observes daylight saving time (CDT starts on Mar 14, 2027) but Darwin does not, so the overlap may shift by an hour seasonally. The interactive converter on this page always reflects the current offset, even across daylight saving transition.