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