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