Chicago to Vientiane time converter
Vientiane is 12 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 9:00 PM in Vientiane.
6:22 AM in Chicago, Sunday, October 18, 2026
Chicago to Vientiane conversion table
Every hour of today in Chicago and the matching time in Vientiane. Light rows are typical working hours (9:00–18:00).
| Chicago | Vientiane |
|---|---|
| 12:00 AM | 12:00 PM |
| 1:00 AM | 1:00 PM |
| 2:00 AM | 2:00 PM |
| 3:00 AM | 3:00 PM |
| 4:00 AM | 4:00 PM |
| 5:00 AM | 5:00 PM |
| 6:00 AM | 6:00 PM |
| 7:00 AM | 7:00 PM |
| 8:00 AM | 8:00 PM |
| 9:00 AM | 9:00 PM |
| 10:00 AM | 10:00 PM |
| 11:00 AM | 11:00 PM |
| 12:00 PM | 12:00 AM+1 day |
| 1:00 PM | 1:00 AM+1 day |
| 2:00 PM | 2:00 AM+1 day |
| 3:00 PM | 3:00 AM+1 day |
| 4:00 PM | 4:00 AM+1 day |
| 5:00 PM | 5:00 AM+1 day |
| 6:00 PM | 6:00 AM+1 day |
| 7:00 PM | 7:00 AM+1 day |
| 8:00 PM | 8:00 AM+1 day |
| 9:00 PM | 9:00 AM+1 day |
| 10:00 PM | 10:00 AM+1 day |
| 11:00 PM | 11:00 AM+1 day |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Chicago (9:00 PM – 10:00 PM in Vientiane): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because Chicago and Vientiane switch clocks on different dates:
- Oct 18, 2026 – Nov 1, 2026: +12h
- Nov 1, 2026 – Mar 14, 2027: +13h
- Mar 14, 2027 – Oct 18, 2027: +12h
Distance
Chicago and Vientiane are 13,281 km (8,252 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and Vientiane?
Vientiane is 12 hours ahead of Chicago.
What time is it in Vientiane when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 9:00 PM in Vientiane.
When is the best time to call Vientiane from Chicago?
Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Chicago (9:00 PM – 10:00 PM in Vientiane): working hours on one side, early or late on the other.
Does the time difference between Chicago and Vientiane change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.