CST to RET Converter
Quick answers
CST is 10 hours behind RET. CST uses GMT -6, and RET uses GMT +4 for this comparison.
For example, 6:00 am CST is 4:00 pm RET. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 7:30am-8:30am CST, which is 5:30pm-6:30pm RET.
CST is a fixed UTC-6 standard-time offset. For current Central Time, compare CDT to RET or CT to RET.
Compare CST time with RET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Standard Time is 10 hours behind Reunion Time
6:00 am06:00 in CST is 4:00 pm16:00 in RET
CST to RET call time
Best time for a conference call or a meeting is between 7:30am-8:30am in CST which corresponds to 5:30pm-6:30pm in RET
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
4:00 pm16:00 Reunion Time (RET). Offset UTC +4:00 hours
6:00 am06:00 CST / 4:00 pm16:00 RET
| CST | RET |
|---|---|
| 12am (midnight) | 10am |
| 1am | 11am |
| 2am | 12pm (noon) |
| 3am | 1pm |
| 4am | 2pm |
| 5am | 3pm |
| 6am | 4pm |
| 7am | 5pm |
| 8am | 6pm |
| 9am | 7pm |
| 10am | 8pm |
| 11am | 9pm |
| 12pm (noon) | 10pm |
| 1pm | 11pm |
| 2pm | 12am (midnight) |
| 3pm | 1am |
| 4pm | 2am |
| 5pm | 3am |
| 6pm | 4am |
| 7pm | 5am |
| 8pm | 6am |
| 9pm | 7am |
| 10pm | 8am |
| 11pm | 9am |
| 00:00 | 10:00 |
| 01:00 | 11:00 |
| 02:00 | 12:00 |
| 03:00 | 13:00 |
| 04:00 | 14:00 |
| 05:00 | 15:00 |
| 06:00 | 16:00 |
| 07:00 | 17:00 |
| 08:00 | 18:00 |
| 09:00 | 19:00 |
| 10:00 | 20:00 |
| 11:00 | 21:00 |
| 12:00 | 22:00 |
| 13:00 | 23:00 |
| 14:00 | 00:00 |
| 15:00 | 01:00 |
| 16:00 | 02:00 |
| 17:00 | 03:00 |
| 18:00 | 04:00 |
| 19:00 | 05:00 |
| 20:00 | 06:00 |
| 21:00 | 07:00 |
| 22:00 | 08:00 |
| 23:00 | 09:00 |
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, 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, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
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 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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
Reunion Time
Offset: RET is 4 hours ahead Greenwich Mean Time (GMT) and is used in Africa
Countries using this time zone: Réunion
Principal Cities: The largest city in the RET time zone is Saint Denis in Reunion, with about 137,195 people. Other major cities in this time zone include Saint Paul, Saint Pierre, Le Tampon, Saint Andre.
Daylight Saving: Clocks in Reunion Time (RET) do not change for daylight saving time, so RET stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
RET representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
- Delta - Military abbreviation for RET
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time