Chicago Time to GMT Converter
GMT is 6 hours ahead of CST. 9:00 AM CST = 3:00 PM GMT.
GMT is 6 hours ahead of CST at the moment. To convert Chicago Time to GMT, add 6 hours to the Chicago Time time: 9:00 AM CST = 3:00 PM GMT.
Chicago Time (Chicago time) is used in Chicago, USA. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
Chicago Time to GMT time conversion table
Chicago Time to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Chicago Time | GMT |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| Chicago Time | GMT |
|---|---|
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| Chicago Time | GMT |
|---|---|
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM+1 |
| 7:00 PM | 1:00 AM+1 |
| 8:00 PM | 2:00 AM+1 |
| 9:00 PM | 3:00 AM+1 |
| 10:00 PM | 4:00 AM+1 |
| 11:00 PM | 5:00 AM+1 |
Conversion table from Chicago Time to GMT for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in GMT, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Chicago Time to GMT
Add 6 hours to the Chicago Time time to get GMT.
Example: 9:00 AM CST = 3:00 PM GMT.
Across midnight: 10:00 PM CST = 4:00 AM GMT (next day). The date changes, so always check the day as well as the hour.
Time difference between Chicago Time and GMT
The time difference between Chicago Time and GMT is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: GMT is 6 hours ahead of Chicago Time.
- 8 Mar 2026 – 31 Oct 2026: GMT is 5 hours ahead of Chicago Time.
- 1 Nov 2026 – 30 Dec 2026: GMT is 6 hours ahead of Chicago Time.
Chicago Time and GMT during daylight saving time
- Chicago Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
Best time for a meeting between Chicago Time and GMT
Chicago Time and GMT share 2 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:00 AM CST lands between 3:00 PM and 5:00 PM GMT, inside working hours for both.
Chicago Time to GMT FAQ
What is the time difference between Chicago Time and GMT?
Right now GMT is 6 hours ahead of CST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Chicago Time in GMT?
9:00 AM CST is 3:00 PM GMT.
What is 12 PM (noon) Chicago Time in GMT?
12:00 PM CST is 6:00 PM GMT.
Is GMT ahead of or behind Chicago Time?
GMT is 6 hours ahead of CST, so it is later in GMT than in Chicago Time.
Does Chicago Time change for daylight saving time?
Yes. Chicago Time next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Chicago Time and GMT?
Chicago Time and GMT share 2 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:00 AM CST lands between 3:00 PM and 5:00 PM GMT, inside working hours for both.
Related conversions
Convert GMT to Chicago Time
Convert Chicago Time to other time zones
Convert other time zones to GMT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.