Chicago to Newcastle Time Difference
Newcastle is 15 hours ahead of Chicago. When it is noon in Chicago, it is 03:00 in Newcastle.
Chicago (UTC-5) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 14:00 in Chicago, it's 05:00 in Newcastle
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Newcastle◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
14,780 km
Est. Flight Time
~18.4h
Time Difference
+15h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Chicago
21:00
Newcastle
09:00
Chicago
00:00
Newcastle (+1)
12:00
Chicago
03:00
Newcastle (+1)
15:00
Chicago
06:00
Newcastle (+1)
18:00
Chicago
09:00
Newcastle (+1)
21:00
Chicago
12:00
Newcastle (+1)
00:00
Chicago
15:00
Newcastle
03:00
Chicago
18:00
Newcastle
Frequently Asked Questions
How many hours is Chicago behind Newcastle?
Newcastle is 15 hours ahead of Chicago. When it is 12:00 noon in Chicago, it is 03:00 in Newcastle. Chicago operates on America/Chicago (UTC-5), while Newcastle uses Australia/Sydney (UTC+10).
What is the best time to call Newcastle from Chicago?
Standard business hours (9 AM–5 PM) do not overlap between Chicago and Newcastle due to the 15 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Chicago to Newcastle time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Chicago and Newcastle
The distance between Chicago and Newcastle is approximately 14,780 km. A direct flight typically takes around 18.4 hours. Your arrival clock will show local Newcastle time — use our Flight Time Calculator to predict exact arrival times.