Time difference between Chicago and Port Augusta
+15 h 30 minPort Augusta is 15 hours 30 minutes ahead of Chicago.
Observatory log
Chicago and Port Augusta, compared
- 01Difference now
Port Augusta is 15 hours 30 minutes ahead of Chicago.
Chicago: CDT (UTC−5) · Port Augusta: ACDT (UTC+10:30)
Next changeFrom 1 November 2026: Port Augusta is 16 hours 30 minutes ahead of Chicago.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026+16 h 30 min
- 8 March 2026 – 5 April 2026+15 h 30 min
- 5 April 2026 – 4 October 2026+14 h 30 min
- 4 October 2026 – 1 November 2026+15 h 30 min
- 1 November 2026 – 14 March 2027+16 h 30 min
- 14 March 2027 – 4 April 2027+15 h 30 min
- 4 April 2027 – 3 October 2027+14 h 30 min
- 3 October 2027 – 7 November 2027+15 h 30 min
- 7 November 2027 – 31 December 2027+16 h 30 min
Difference of Port Augusta from Chicago. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
Their working days never overlap.
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
17:30–22:00 in Chicago = 09:00–13:30 in Port Augusta
No shared office hours: this is early or late for one side (Mon–Thu).
Also possible: Mon–Thu: 14:30–17:00 in Chicago = 06:00–08:30 in Port Augusta (tomorrow) · 2 h 30 min.
- 05Weekend
Chicago: Saturday and Sunday
Port Augusta: Saturday and Sunday
24 hours
A day in Chicago, in Port Augusta
| Chicago | Port Augusta | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 15:30 | |
| 01:00 | 16:30 | |
| 02:00 | 17:30 | |
| 03:00 | 18:30 | |
| 04:00 | 19:30 | |
| 05:00 | 20:30 | |
| 06:00 | 21:30 | |
| 07:00 | 22:30 | |
| 08:00 | 23:30 | |
| 09:00 | 00:30Tomorrow | |
| 10:00 | 01:30Tomorrow | |
| 11:00 | 02:30Tomorrow | |
| 12:00 | 03:30Tomorrow | |
| 13:00 | 04:30Tomorrow | |
| 14:00 | 05:30Tomorrow | |
| 15:00 | 06:30Tomorrow | |
| 16:00 | 07:30Tomorrow | |
| 17:00 | 08:30Tomorrow | |
| 18:00 | 09:30Tomorrow | |
| 19:00 | 10:30Tomorrow | |
| 20:00 | 11:30Tomorrow | |
| 21:00 | 12:30Tomorrow | |
| 22:00 | 13:30Tomorrow | |
| 23:00 | 14:30Tomorrow |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Chicago and Port Augusta
More time differences with Chicago
Questions
Asked about Chicago and Port Augusta
What is the time difference between Chicago and Port Augusta?
Port Augusta is 15 hours 30 minutes ahead of Chicago. This holds until 1 November 2026; then Port Augusta is 16 hours 30 minutes ahead of Chicago.
What is the best time for a call between Chicago and Port Augusta?
No shared office hours. The least awkward windows, early or late for one side: Mon–Thu: 17:30–22:00 in Chicago = 09:00–13:30 in Port Augusta (tomorrow) · 4 h 30 min; Mon–Thu: 14:30–17:00 in Chicago = 06:00–08:30 in Port Augusta (tomorrow) · 2 h 30 min.
When does the time difference between Chicago and Port Augusta change?
In the next 12 months it changes on: 1 November 2026 (+16 h 30 min); 14 March 2027 (+15 h 30 min); 4 April 2027 (+14 h 30 min); 3 October 2027 (+15 h 30 min).