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