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