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