Gaithersburg to Chicago time converter
Chicago is 1 hour behind Gaithersburg. When it is 9:00 AM in Gaithersburg, it is 8:00 AM in Chicago.
Gaithersburg EDT
Sunday, October 18, 2026
Chicago CDT
Sunday, October 18, 2026
9:57 AM in Gaithersburg, Sunday, October 18, 2026
Gaithersburg to Chicago conversion table
Every hour of today in Gaithersburg and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| Gaithersburg | Chicago |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Gaithersburg (9:00 AM – 5:00 PM in Chicago).
Daylight saving time and the difference
The difference changes during the year because Gaithersburg and Chicago switch clocks on different dates:
- Oct 18, 2026 – Nov 1, 2026: -1h
- Nov 1, 2026 – Nov 1, 2026: ±0
- Nov 1, 2026 – Mar 14, 2027: -1h
- Mar 14, 2027 – Mar 14, 2027: -2h
- Mar 14, 2027 – Oct 18, 2027: -1h
Distance
Gaithersburg and Chicago are 933 km (580 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Gaithersburg and Chicago?
Chicago is 1 hour behind Gaithersburg.
What time is it in Chicago when it is 9 AM in Gaithersburg?
When it is 9:00 AM in Gaithersburg, it is 8:00 AM in Chicago.
When is the best time to call Chicago from Gaithersburg?
Both sides are at work from 10:00 AM – 6:00 PM in Gaithersburg (9:00 AM – 5:00 PM in Chicago).
Does the time difference between Gaithersburg 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.