CST to GMT Time Converter
GMT is 6 hours ahead of CST right now. 9:00 AM in CST is 3:00 PM in GMT.
Time now: CST and GMT
GMT is 6 hours ahead of CST right now. The gap is not fixed: it is 5 hours at some times of the year and 6 hours at others, because at least one of them changes its clocks for daylight saving time.
CST to GMT conversion table
Every hour of the day, using today's time difference.
| CST | 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 |
| 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 |
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AMnext day |
| 7:00 PM | 1:00 AMnext day |
| 8:00 PM | 2:00 AMnext day |
| 9:00 PM | 3:00 AMnext day |
| 10:00 PM | 4:00 AMnext day |
| 11:00 PM | 5:00 AMnext day |
Best time to meet between CST and GMT
Working hours overlap (9 AM – 6 PM in both places):
- 9:00 AM – 12:00 PM CST = 3:00 PM – 6:00 PM GMT
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between CST and GMT change?
Yes. Right now GMT is 6 hours ahead of CST. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: CST moves its clocks forward. GMT is 5 hours ahead of CST from then (it was 6 hours before).
- Sunday, 7 November 2027: CST moves its clocks back. GMT is 6 hours ahead of CST from then (it was 5 hours before).
Office hours in each other's time
- 9 AM to 6 PM in CST is 3:00 PM to 12:00 AM (next day) in GMT.
- 9 AM to 6 PM in GMT is 3:00 AM to 12:00 PM in CST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between CST and GMT?
GMT is 6 hours ahead of CST right now. The gap is not fixed: it is 5 hours at some times of the year and 6 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert CST to GMT?
Add 6 hours to the CST time to get the GMT time (at today's difference). 9:00 AM in CST is 3:00 PM in GMT. Or use the converter above and pick any date and time.
What is the current time in GMT?
It is 11:12 PM in GMT on Monday, November 9 (the converter above shows it live). At the same moment it is 5:12 PM in CST.
Does the time difference between CST and GMT change during the year?
Yes. Right now GMT is 6 hours ahead of CST. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: CST moves its clocks forward. GMT is 5 hours ahead of CST from then (it was 6 hours before). Sunday, 7 November 2027: CST moves its clocks back. GMT is 6 hours ahead of CST from then (it was 5 hours before).
What is the best time for a meeting between CST and GMT?
Between 9 AM and 6 PM in both places you can meet at 9:00 AM – 12:00 PM CST = 3:00 PM – 6:00 PM GMT. Check the overlap section on this page for every option.
What does CST mean?
Central Time is CST (UTC-06:00) in winter and CDT (UTC-05:00) in summer.
What does GMT mean?
GMT is fixed at UTC+00:00 all year. The United Kingdom itself switches to BST in summer.