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CST to GST converter
Central Time
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Gulf Standard Time
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Gulf Standard Time is 9 hours ahead of Central Time for most of the year, and 10 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 7: Gulf Standard Time is 10 hours ahead of Central Time
- March 8 to October 31: Gulf Standard Time is 9 hours ahead of Central Time
- November 1 to December 31: Gulf Standard Time is 10 hours ahead of Central Time
Questions
What time is 9 AM CST in GST?
For most of the year, 9 AM Central Time is 6 PM Gulf Standard Time. For part of the year it is 7 PM, because of daylight saving time.
How many hours ahead or behind is GST from CST?
Gulf Standard Time is 9 hours ahead of Central Time for most of the year, and 10 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the CST to GST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
CST to GST, hour by hour
| Central Time | Gulf Standard Time |
|---|---|
| 12 AM | 9 AM |
| 1 AM | 10 AM |
| 2 AM | 11 AM |
| 3 AM | 12 PM |
| 4 AM | 1 PM |
| 5 AM | 2 PM |
| 6 AM | 3 PM |
| 7 AM | 4 PM |
| 8 AM | 5 PM |
| 9 AM | 6 PM |
| 10 AM | 7 PM |
| 11 AM | 8 PM |
| 12 PM | 9 PM |
| 1 PM | 10 PM |
| 2 PM | 11 PM |
| 3 PM | 12 AM (next day) |
| 4 PM | 1 AM (next day) |
| 5 PM | 2 AM (next day) |
| 6 PM | 3 AM (next day) |
| 7 PM | 4 AM (next day) |
| 8 PM | 5 AM (next day) |
| 9 PM | 6 AM (next day) |
| 10 PM | 7 AM (next day) |
| 11 PM | 8 AM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.