CST to Southampton Time Converter
GMT is 6 hours ahead of CST. 9:00 AM CST = 3:00 PM GMT.
GMT is 6 hours ahead of CST at the moment. To convert CST to Southampton Time, add 6 hours to the CST time: 9:00 AM CST = 3:00 PM GMT.
CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year. Southampton Time (Southampton time) is used in Southampton, UK.
CST here means North American Central Standard Time, not China Standard Time.
CST to Southampton Time time conversion table
CST to Southampton Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| CST | Southampton Time | Day |
|---|---|---|
| 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 | work hours |
| 10:00 AM CST | 4:00 PM GMT | work hours |
| 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 | night |
| 5:00 PM CST | 11:00 PM GMT | night |
| 6:00 PM CST | 12:00 AM GMT | next day |
| 7:00 PM CST | 1:00 AM GMT | next day |
| 8:00 PM CST | 2:00 AM GMT | next day |
| 9:00 PM CST | 3:00 AM GMT | next day |
| 10:00 PM CST | 4:00 AM GMT | next day |
| 11:00 PM CST | 5:00 AM GMT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert CST to Southampton Time
Add 6 hours to the CST time to get Southampton Time.
Example: 9:00 AM CST = 3:00 PM GMT.
Across midnight: 10:00 PM CST = 4:00 AM GMT (next day). The date changes, so always check the day as well as the hour.
Time difference between CST and Southampton Time
The time difference between CST and Southampton Time 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:
- 31 Dec 2025 – 7 Mar 2026: Southampton Time is 6 hours ahead of CST.
- 8 Mar 2026 – 27 Mar 2026: Southampton Time is 5 hours ahead of CST.
- 28 Mar 2026 – 23 Oct 2026: Southampton Time is 6 hours ahead of CST.
- 24 Oct 2026 – 31 Oct 2026: Southampton Time is 5 hours ahead of CST.
- 1 Nov 2026 – 30 Dec 2026: Southampton Time is 6 hours ahead of CST.
CST and Southampton Time during daylight saving time
- 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).
- Southampton Time next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
Best time for a meeting between CST and Southampton Time
CST and Southampton Time share 2 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:00 AM CST lands between 3:00 PM and 5:00 PM GMT, inside working hours for both.
CST to Southampton Time FAQ
What is the time difference between CST and Southampton Time?
Right now GMT is 6 hours ahead of CST. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM CST in Southampton Time?
9:00 AM CST is 3:00 PM GMT.
What is 12 PM (noon) CST in Southampton Time?
12:00 PM CST is 6:00 PM GMT.
Is Southampton Time ahead of or behind CST?
GMT is 6 hours ahead of CST, so it is later in Southampton Time than in CST.
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.
Does Southampton Time change for daylight saving time?
Yes. Southampton Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
What is the best time for a meeting between CST and Southampton Time?
CST and Southampton Time share 2 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:00 AM CST lands between 3:00 PM and 5:00 PM GMT, inside working hours for both.
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 Southampton Time to CST
Convert CST to other time zones
Convert other time zones to Southampton Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.