The time difference between Chicago and Perth is 13 hours. When it is 12:00 noon in Chicago, it is 01:00 in Perth. Chicago uses the America/Chicago time zone (UTC-5), while Perth uses Australia/Perth (UTC+8).
With a 13 hours gap, there is no standard business-hours overlap between Chicago and Perth. One party will need to adjust their schedule. Early mornings in Perth or late evenings in Chicago tend to be the most practical compromise.
Use this table to quickly convert any hour from Chicago time to Perth time. Rows highlighted in green indicate overlapping business hours in both cities.
| Chicago | Perth | |
|---|---|---|
| 00:00 | 13:00 | Night |
| 01:00 | 14:00 | Night |
| 02:00 | 15:00 | Night |
| 03:00 | 16:00 | Night |
| 04:00 | 17:00 | Night |
| 05:00 | 18:00 | Night |
| 06:00 | 19:00 | |
| 07:00 | 20:00 | |
| 08:00 | 21:00 | |
| 09:00 | 22:00 | |
| 10:00 | 23:00 | |
| 11:00 | 00:00 (+1 day) | |
| 12:00 | 01:00 (+1 day) | |
| 13:00 | 02:00 (+1 day) | |
| 14:00 | 03:00 (+1 day) | |
| 15:00 | 04:00 (+1 day) | |
| 16:00 | 05:00 (+1 day) | |
| 17:00 | 06:00 (+1 day) | |
| 18:00 | 07:00 (+1 day) | |
| 19:00 | 08:00 (+1 day) | |
| 20:00 | 09:00 (+1 day) | |
| 21:00 | 10:00 (+1 day) | |
| 22:00 | 11:00 (+1 day) | Night |
| 23:00 | 12:00 (+1 day) | Night |
Chicago is currently observing daylight saving time, while Perth is on standard time. When Chicago switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 13 hours. Perth is 13 hours ahead of Chicago.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 13 hours to Chicago time to get Perth time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.