GMT Africa to CST Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
3:30 pm15:30 GMT (UTC+0), Nov 1, 2026 = 9:30 am09:30 CST (UTC-6), Nov 1, 2026
GMT is 6 hours ahead of CST.
GMT and CST (US winter time, UTC-6) examples
These examples always use GMT (UTC+0) and CST (UTC-6). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
GMT is 6 hours ahead of CST.
CST is US Central winter time (early November to mid-March). The rest of the year Chicago uses CDT (UTC-5), one hour later. For Central Time that follows daylight saving time, use GMT-AFRICA to CT. For daylight-time examples, use GMT-AFRICA to CDT.
How the time difference changes
For most of the year, GMT Africa is 5 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, GMT Africa is 6 hours ahead of CST.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT Africa correspond to 4:00 am to 1:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT Africa correspond to 3:00 am to 12:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in GMT Africa correspond to 04:00 to 13:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in GMT Africa correspond to 03:00 to 12:00 in CST.
Compare GMT time with CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 6 hours ahead of Central Standard Time.
3:30 pm15:30 in GMT is 9:30 am09:30 in CST
GMT to CST call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in GMT which corresponds to 9am-12pm09:00-12:00 in CST
3:30 pm15:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:30 am09:30 Central Standard Time (CST). Offset UTC -6:00 hours
3:30 pm15:30 GMT / 9:30 am09:30 CST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| GMT | CST |
|---|---|
| 7:00pm previous day CDT UTC-5 | |
| 8:00pm previous day CDT UTC-5 | |
| 9:00pm previous day CDT UTC-5 | |
| 10:00pm previous day CDT UTC-5 | |
| 11:00pm previous day CDT UTC-5 | |
| 12:00am CDT UTC-5 | |
| 1:00am CDT UTC-5 | |
| 1:00am | |
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| 4:00am | |
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| 4:00pm | |
| 5:00pm | |
| 19:00 previous day CDT UTC-5 | |
| 20:00 previous day CDT UTC-5 | |
| 21:00 previous day CDT UTC-5 | |
| 22:00 previous day CDT UTC-5 | |
| 23:00 previous day CDT UTC-5 | |
| 00:00 CDT UTC-5 | |
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Greenwich Mean Time
Offset: GMT is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
Daylight Saving: Some places on Greenwich Mean Time (GMT) keep the same time all year, while others use GMT for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today all shaded areas are on GMT.
GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today all shaded areas are on CST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone