Time difference between Chicago and St. Charles
Same timeChicago and St. Charles have the same time.
Observatory log
Chicago and St. Charles, compared
- 01Difference now
Chicago and St. Charles have the same time.
Chicago: CDT (UTC−5) · St. Charles: CDT (UTC−5)
- 02Through 2026–2027
The difference stays the same all year.
- 1 January 2026 – 31 December 2027Same time
Difference of St. Charles 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 St. Charles · 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 St. Charles
Inside both working days (Mon–Fri).
- 05Weekend
Chicago: Saturday and Sunday
St. Charles: Saturday and Sunday
24 hours
A day in Chicago, in St. Charles
| Chicago | St. Charles | 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 St. Charles
More time differences with Chicago
Questions
Asked about Chicago and St. Charles
What is the time difference between Chicago and St. Charles?
Chicago and St. Charles have the same time. The difference stays the same all year.
What is the best time for a call between Chicago and St. Charles?
Inside both working days: Mon–Fri: 09:00–17:00 in Chicago = 09:00–17:00 in St. Charles · 8 h.
When does the time difference between Chicago and St. Charles change?
It does not change in the next 12 months: Chicago and St. Charles either keep the same time all year or change their clocks on the same dates.