Best time to meet
Based on 9am–6pm working hours in each city.
Standard working hours in Chicago and Sydney don’t overlap. You’ll need one side to take an early-morning or evening call — a booking page that shows each person their own local time keeps it simple.
Time converter: Chicago to Sydney
| Chicago | Sydney |
|---|---|
| 6:00 AM | 9:00 PM |
| 8:00 AM | 11:00 PM |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 12:00 PM | 3:00 AM |
| 2:00 PM | 5:00 AM |
| 4:00 PM | 7:00 AM |
| 6:00 PM | 9:00 AM |
| 8:00 PM | 11:00 AM |
Times reflect current offsets, including daylight saving where applicable.
Book across time zones without the mental math
Calper shows every visitor available slots in their own timezone, collects payment up front, and drops the confirmed meeting into both calendars. Whether your clients are in Chicago, Sydney or anywhere else, nobody shows up an hour early or a day late.
FAQ
What is the time difference between Chicago and Sydney?+
Chicago is 15 hours behind Sydney. Chicago is GMT-5 and Sydney is GMT+10. This accounts for daylight saving where it applies.
What's the best time to schedule a meeting between Chicago and Sydney?+
Standard 9am–6pm working hours don't overlap between Chicago and Sydney, so you'll need someone to take an early or late call. A booking page that shows each person their own local time makes this painless.
How do I avoid timezone mix-ups when booking?+
Share a Calper booking page: it shows every visitor slots in their own timezone and confirms the meeting in both calendars, so no one does the math or turns up an hour off.