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