GST to CST Converter
CST is 10 hours behind GST. 9:00 AM GST = 11:00 PM CST (previous day).
CST is 10 hours behind GST at the moment. To convert GST to CST, subtract 10 hours from the GST time: 9:00 AM GST = 11:00 PM CST (previous day).
GST (Gulf Time) is used in United Arab Emirates and Oman. CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year.
CST here means North American Central Standard Time, not China Standard Time.
GST to CST time conversion table
GST to CST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GST | CST |
|---|---|
| 12:00 AM | 2:00 PM−1 |
| 1:00 AM | 3:00 PM−1 |
| 2:00 AM | 4:00 PM−1 |
| 3:00 AM | 5:00 PM−1 |
| 4:00 AM | 6:00 PM−1 |
| 5:00 AM | 7:00 PM−1 |
| 6:00 AM | 8:00 PM−1 |
| 7:00 AM | 9:00 PM−1 |
| GST | CST |
|---|---|
| 8:00 AM | 10:00 PM−1 |
| 9:00 AM | 11:00 PM−1 |
| 10:00 AM | 12:00 AM |
| 11:00 AM | 1:00 AM |
| 12:00 PM | 2:00 AM |
| 1:00 PM | 3:00 AM |
| 2:00 PM | 4:00 AM |
| 3:00 PM | 5:00 AM |
| GST | CST |
|---|---|
| 4:00 PM | 6:00 AM |
| 5:00 PM | 7:00 AM |
| 6:00 PM | 8:00 AM |
| 7:00 PM | 9:00 AM |
| 8:00 PM | 10:00 AM |
| 9:00 PM | 11:00 AM |
| 10:00 PM | 12:00 PM |
| 11:00 PM | 1:00 PM |
Conversion table from GST to CST 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 CST, −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 GST to CST
Subtract 10 hours from the GST time to get CST.
Example: 9:00 AM GST = 11:00 PM CST (previous day).
Across midnight: 1:00 AM GST = 3:00 PM CST (previous day). The date changes, so always check the day as well as the hour.
Time difference between GST and CST
The time difference between GST and CST 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:
- 1 Jan 2026 – 7 Mar 2026: CST is 10 hours behind of GST.
- 8 Mar 2026 – 31 Oct 2026: CST is 9 hours behind of GST.
- 1 Nov 2026 – 31 Dec 2026: CST is 10 hours behind of GST.
GST and CST during daylight saving time
- GST does not observe daylight saving time; it stays on UTC+4 all year.
- CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
Best time for a meeting between GST and CST
GST and CST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GST, which is 9:00 PM CST.
GST to CST FAQ
What is the time difference between GST and CST?
Right now CST is 10 hours behind GST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM GST in CST?
9:00 AM GST is 11:00 PM CST (previous day).
What is 12 PM (noon) GST in CST?
12:00 PM GST is 2:00 AM CST.
Is CST ahead of or behind GST?
CST is 10 hours behind GST, so it is earlier in CST than in GST.
Does GST change for daylight saving time?
No. GST stays on the same offset all year, so conversions never shift for daylight saving time.
Does CST change for daylight saving time?
Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
What is the best time for a meeting between GST and CST?
GST and CST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GST, which is 9:00 PM CST.
Is CT the same as CST?
CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert CST to GST
Convert GST to other time zones
Convert other time zones to CST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.