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