Observatory log
Chicago and Arequipa, compared
- 01Difference now
Chicago and Arequipa have the same time.
Chicago: CDT (UTC−5) · Arequipa: UTC−5 (UTC−5)
Next changeFrom 1 November 2026: Arequipa is 1 hour ahead of Chicago.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026+1 h
- 8 March 2026 – 1 November 2026Same time
- 1 November 2026 – 14 March 2027+1 h
- 14 March 2027 – 7 November 2027Same time
- 7 November 2027 – 31 December 2027+1 h
Difference of Arequipa from Chicago. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Fri: 09:00–17:00 in Chicago = 09:00–17:00 in Arequipa · 8 h
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:00–17:00 in Chicago = 09:00–17:00 in Arequipa
Inside both working days (Mon–Fri).
- 05Weekend
Chicago: Saturday and Sunday
Arequipa: Saturday and Sunday
24 hours
A day in Chicago, in Arequipa
| Chicago | Arequipa | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 00:00 | |
| 01:00 | 01:00 | |
| 02:00 | 02:00 | |
| 03:00 | 03:00 | |
| 04:00 | 04:00 | |
| 05:00 | 05:00 | |
| 06:00 | 06:00 | |
| 07:00 | 07:00 | |
| 08:00 | 08:00 | |
| 09:00 | 09:00 | |
| 10:00 | 10:00 | |
| 11:00 | 11:00 | |
| 12:00 | 12:00 | |
| 13:00 | 13:00 | |
| 14:00 | 14:00 | |
| 15:00 | 15:00 | |
| 16:00 | 16:00 | |
| 17:00 | 17:00 | |
| 18:00 | 18:00 | |
| 19:00 | 19:00 | |
| 20:00 | 20:00 | |
| 21:00 | 21:00 | |
| 22:00 | 22:00 | |
| 23:00 | 23:00 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Chicago and Arequipa
More time differences with Chicago
Questions
Asked about Chicago and Arequipa
What is the time difference between Chicago and Arequipa?
Chicago and Arequipa have the same time. This holds until 1 November 2026; then Arequipa is 1 hour ahead of Chicago.
What is the best time for a call between Chicago and Arequipa?
Inside both working days: Mon–Fri: 09:00–17:00 in Chicago = 09:00–17:00 in Arequipa · 8 h.
When does the time difference between Chicago and Arequipa change?
In the next 12 months it changes on: 1 November 2026 (+1 h); 14 March 2027 (Same time).