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