GMT to CST time difference
CST is 5 hours behind GMT right now. The difference changes between 6 hours and 5 hours during the year because of daylight saving time.
Quick examples: 9:00 AM GMT = 4:00 AM CST · 12:00 PM GMT = 7:00 AM CST · 5:00 PM GMT = 12:00 PM CST
GMT to CST conversion table
| Greenwich Mean Time (GMT) | Central Time (CST) |
|---|---|
| 12:00 AM GMT | 7:00 PM CST (previous day) |
| 1:00 AM GMT | 8:00 PM CST (previous day) |
| 2:00 AM GMT | 9:00 PM CST (previous day) |
| 3:00 AM GMT | 10:00 PM CST (previous day) |
| 4:00 AM GMT | 11:00 PM CST (previous day) |
| 5:00 AM GMT | 12:00 AM CST |
| 6:00 AM GMT | 1:00 AM CST |
| 7:00 AM GMT | 2:00 AM CST |
| 8:00 AM GMT | 3:00 AM CST |
| 9:00 AM GMT | 4:00 AM CST |
| 10:00 AM GMT | 5:00 AM CST |
| 11:00 AM GMT | 6:00 AM CST |
| 12:00 PM GMT | 7:00 AM CST |
| 1:00 PM GMT | 8:00 AM CST |
| 2:00 PM GMT | 9:00 AM CST |
| 3:00 PM GMT | 10:00 AM CST |
| 4:00 PM GMT | 11:00 AM CST |
| 5:00 PM GMT | 12:00 PM CST |
| 6:00 PM GMT | 1:00 PM CST |
| 7:00 PM GMT | 2:00 PM CST |
| 8:00 PM GMT | 3:00 PM CST |
| 9:00 PM GMT | 4:00 PM CST |
| 10:00 PM GMT | 5:00 PM CST |
| 11:00 PM GMT | 6:00 PM CST |
How to convert GMT to CST
- Pick a date and time in Greenwich Mean Time.
- The matching Central Time time appears instantly on the right.
- Use the ⇄ button to convert CST to GMT instead.
About Greenwich Mean Time and Central Time
Greenwich Mean Time (GMT) is used in the Greenwich meridian (London in winter, Iceland, and West Africa). Central Time (CST) is used in Chicago, Dallas, Houston and Mexico City.
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Frequently asked questions
What is the time difference between GMT and CST?
CST is 5 hours behind GMT right now. The difference changes between 6 hours and 5 hours during the year because of daylight saving time.
How do I convert GMT to CST?
Subtract 5 hours to the GMT time. For example, 12:00 PM GMT is 7:00 AM CST.
Where is GMT used?
Greenwich Mean Time is used in the Greenwich meridian (London in winter, Iceland, and West Africa).
Where is CST used?
Central Time is used in Chicago, Dallas, Houston and Mexico City.
Does this converter handle daylight saving time?
Yes. The converter uses the official time zone database, so it automatically applies daylight saving time for the date you pick.