Time difference between Chicago and Chiang Rai
+12 hChiang Rai is 12 hours ahead of Chicago.
Observatory log
Chicago and Chiang Rai, compared
- 01Difference now
Chiang Rai is 12 hours ahead of Chicago.
Chicago: CDT (UTC−5) · Chiang Rai: UTC+7 (UTC+7)
Next changeFrom 1 November 2026: Chiang Rai 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 Chiang Rai 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 Chiang Rai
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 Chiang Rai (tomorrow) · 1 h.
- 05Weekend
Chicago: Saturday and Sunday
Chiang Rai: Saturday and Sunday
24 hours
A day in Chicago, in Chiang Rai
| Chicago | Chiang Rai | 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 Chiang Rai
More time differences with Chicago
Questions
Asked about Chicago and Chiang Rai
What is the time difference between Chicago and Chiang Rai?
Chiang Rai is 12 hours ahead of Chicago. This holds until 1 November 2026; then Chiang Rai is 13 hours ahead of Chicago.
What is the best time for a call between Chicago and Chiang Rai?
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 Chiang Rai · 1 h; Mon–Thu: 21:00–22:00 in Chicago = 09:00–10:00 in Chiang Rai (tomorrow) · 1 h.
When does the time difference between Chicago and Chiang Rai change?
In the next 12 months it changes on: 1 November 2026 (+13 h); 14 March 2027 (+12 h).