GMT Africa to CDT Converter
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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 CDT examples
These examples always use GMT (UTC+0) and CDT (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
GMT is 5 hours ahead of 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 CDT 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 | |
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| 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 | |
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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 Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Today the shaded areas are on UTC−6 (Central Standard Time).
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Central Daylight Time (CDT) starts 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. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
CDT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone