R to CST Converter
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.
Mexico City and Saskatchewan stay on CST (UTC−6).
Quick answers
Selected conversion
7:00 am07:00 R (UTC-5), Oct 12, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 12, 2026
R and CDT have the same local time.
R and CST examples
These examples always use R (UTC-5) 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.
R is 1 hour ahead of CST.
CST uses UTC-6 during standard time. For Central Time that follows daylight saving time, use R to CT. For daylight-time examples, use R to CDT.
How the time difference changes
For most of the year, R and CDT have the same time. At other times of the year, R is 1 hour ahead of CST.
For most of the year, working hours of 9:00 am to 5:00 pm in R correspond to 9:00 am to 5:00 pm in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in R correspond to 8:00 am to 4:00 pm in CST.For most of the year, working hours of 09:00 to 17:00 in R correspond to 09:00 to 17:00 in CDT. At other times of the year, working hours of 09:00 to 17:00 in R correspond to 08:00 to 16:00 in CST.
Compare R time with CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Romeo Time Zone and Central Daylight Time have the same local time.
7:00 am07:00 in R is 7:00 am07:00 in CDT
R to CDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in R which corresponds to 9am-5pm09:00-17:00 in CDT
7:00 am07:00 Romeo Time Zone (R). Offset UTC -5:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
7:00 am07:00 R / 7:00 am07:00 CDT
| R | CDT |
|---|---|
| 12:00am | 12:00am |
| 1:00am | 1:00am |
| 2:00am | 2:00am |
| 3:00am | 3:00am |
| 4:00am | 4:00am |
| 5:00am | 5:00am |
| 6:00am | 6:00am |
| 7:00am | 7:00am |
| 8:00am | 8:00am |
| 9:00am | 9:00am |
| 10:00am | 10:00am |
| 11:00am | 11:00am |
| 12:00pm | 12:00pm |
| 1:00pm | 1:00pm |
| 2:00pm | 2:00pm |
| 3:00pm | 3:00pm |
| 4:00pm | 4:00pm |
| 5:00pm | 5:00pm |
| 6:00pm | 6:00pm |
| 7:00pm | 7:00pm |
| 8:00pm | 8:00pm |
| 9:00pm | 9:00pm |
| 10:00pm | 10:00pm |
| 11:00pm | 11:00pm |
| 00:00 | 00:00 |
| 01:00 | 01:00 |
| 02:00 | 02:00 |
| 03:00 | 03:00 |
| 04:00 | 04:00 |
| 05:00 | 05:00 |
| 06:00 | 06:00 |
| 07:00 | 07:00 |
| 08:00 | 08:00 |
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
| 18:00 | 18:00 |
| 19:00 | 19:00 |
| 20:00 | 20:00 |
| 21:00 | 21:00 |
| 22:00 | 22:00 |
| 23:00 | 23:00 |
Romeo Time Zone
Offset: R is 5 hours behind Greenwich Mean Time (GMT) and is used in Military
Daylight Saving: Clocks in Romeo Time Zone (R) do not change for daylight saving time, so R stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
R 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 R
- R - short form of 'Romeo'
- 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
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).
End: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
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