Time difference between Chicago and Ubon Ratchathani
+12 hUbon Ratchathani is 12 hours ahead of Chicago.
Observatory log
Chicago and Ubon Ratchathani, compared
- 01Difference now
Ubon Ratchathani is 12 hours ahead of Chicago.
Chicago: CDT (UTC−5) · Ubon Ratchathani: UTC+7 (UTC+7)
Next changeFrom 1 November 2026: Ubon Ratchathani is 13 hours ahead of Chicago.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026+13 h
- 8 March 2026 – 1 November 2026+12 h
- 1 November 2026 – 14 March 2027+13 h
- 14 March 2027 – 7 November 2027+12 h
- 7 November 2027 – 31 December 2027+13 h
Difference of Ubon Ratchathani 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
09:00–10:00 in Chicago = 21:00–22:00 in Ubon Ratchathani
No shared office hours: this is early or late for one side (Mon–Fri).
Also possible: Mon–Thu: 21:00–22:00 in Chicago = 09:00–10:00 in Ubon Ratchathani (tomorrow) · 1 h.
- 05Weekend
Chicago: Saturday and Sunday
Ubon Ratchathani: Saturday and Sunday
24 hours
A day in Chicago, in Ubon Ratchathani
| Chicago | Ubon Ratchathani | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 12:00 | |
| 01:00 | 13:00 | |
| 02:00 | 14:00 | |
| 03:00 | 15:00 | |
| 04:00 | 16:00 | |
| 05:00 | 17:00 | |
| 06:00 | 18:00 | |
| 07:00 | 19:00 | |
| 08:00 | 20:00 | |
| 09:00 | 21:00 | |
| 10:00 | 22:00 | |
| 11:00 | 23:00 | |
| 12:00 | 00:00Tomorrow | |
| 13:00 | 01:00Tomorrow | |
| 14:00 | 02:00Tomorrow | |
| 15:00 | 03:00Tomorrow | |
| 16:00 | 04:00Tomorrow | |
| 17:00 | 05:00Tomorrow | |
| 18:00 | 06:00Tomorrow | |
| 19:00 | 07:00Tomorrow | |
| 20:00 | 08:00Tomorrow | |
| 21:00 | 09:00Tomorrow | |
| 22:00 | 10:00Tomorrow | |
| 23:00 | 11:00Tomorrow |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Chicago and Ubon Ratchathani
More time differences with Chicago
Questions
Asked about Chicago and Ubon Ratchathani
What is the time difference between Chicago and Ubon Ratchathani?
Ubon Ratchathani is 12 hours ahead of Chicago. This holds until 1 November 2026; then Ubon Ratchathani is 13 hours ahead of Chicago.
What is the best time for a call between Chicago and Ubon Ratchathani?
No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 09:00–10:00 in Chicago = 21:00–22:00 in Ubon Ratchathani · 1 h; Mon–Thu: 21:00–22:00 in Chicago = 09:00–10:00 in Ubon Ratchathani (tomorrow) · 1 h.
When does the time difference between Chicago and Ubon Ratchathani change?
In the next 12 months it changes on: 1 November 2026 (+13 h); 14 March 2027 (+12 h).