Montana to Chicago time converter
Chicago is 8 hours behind Montana. When it is 9:00 AM in Montana, it is 1:00 AM in Chicago.
9:23 PM in Montana, Wednesday, October 21, 2026
Montana to Chicago conversion table
Every hour of today in Montana and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| Montana | Chicago |
|---|---|
| 12:00 AM | 4:00 PM−1 day |
| 1:00 AM | 5:00 PM−1 day |
| 2:00 AM | 6:00 PM−1 day |
| 3:00 AM | 7:00 PM−1 day |
| 4:00 AM | 8:00 PM−1 day |
| 5:00 AM | 9:00 PM−1 day |
| 6:00 AM | 10:00 PM−1 day |
| 7:00 AM | 11:00 PM−1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Best time to call or meet
Both sides are at work from 5:00 PM – 6:00 PM in Montana (9:00 AM – 10:00 AM in Chicago).
Daylight saving time and the difference
The difference changes during the year because Montana and Chicago switch clocks on different dates:
- Oct 21, 2026 – Oct 25, 2026: -8h
- Oct 25, 2026 – Nov 1, 2026: -7h
- Nov 1, 2026 – Mar 14, 2027: -8h
- Mar 14, 2027 – Mar 28, 2027: -7h
- Mar 28, 2027 – Oct 21, 2027: -8h
Distance
Montana and Chicago are 8,294 km (5,154 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Montana and Chicago?
Chicago is 8 hours behind Montana.
What time is it in Chicago when it is 9 AM in Montana?
When it is 9:00 AM in Montana, it is 1:00 AM in Chicago.
When is the best time to call Chicago from Montana?
Both sides are at work from 5:00 PM – 6:00 PM in Montana (9:00 AM – 10:00 AM in Chicago).
Does the time difference between Montana and Chicago change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.