CAST to CT Converter
Quick answers
Selected conversion
8:00 pm20:00 CAST (UTC+8), Oct 11, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 11, 2026
CAST is 13 hours ahead of CDT.
How the time difference changes
For most of the year, CAST is 13 hours ahead of CT. At other times of the year, CAST is 14 hours ahead of CT.
For most of the year, working hours of 9:00 am to 5:00 pm in CAST correspond to 8:00 pm (previous day) to 4:00 am in CT. At other times of the year, working hours of 9:00 am to 5:00 pm in CAST correspond to 7:00 pm (previous day) to 3:00 am in CT.For most of the year, working hours of 09:00 to 17:00 in CAST correspond to 20:00 (previous day) to 04:00 in CT. At other times of the year, working hours of 09:00 to 17:00 in CAST correspond to 19:00 (previous day) to 03:00 in CT.
Compare CAST time with CT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Casey Time is 13 hours ahead of Central Daylight Time.
8:00 pm20:00 in CAST is 7:00 am07:00 in CDT
CAST to CDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in CAST which corresponds to 6pm-7pm18:00-19:00 in CDT (previous day)
8:00 pm20:00 Casey Time (CAST). Offset UTC +8:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:00 pm20:00 CAST / 7:00 am07:00 CDT
| CAST | CT |
|---|---|
| 12:00am | 11:00am |
| 1:00am | 12:00pm |
| 2:00am | 1:00pm |
| 3:00am | 2:00pm |
| 4:00am | 3:00pm |
| 5:00am | 4:00pm |
| 6:00am | 5:00pm |
| 7:00am | 6:00pm |
| 8:00am | 7:00pm |
| 9:00am | 8:00pm |
| 10:00am | 9:00pm |
| 11:00am | 10:00pm |
| 12:00pm | 11:00pm |
| 1:00pm | 12:00am |
| 2:00pm | 1:00am |
| 3:00pm | 2:00am |
| 4:00pm | 3:00am |
| 5:00pm | 4:00am |
| 6:00pm | 5:00am |
| 7:00pm | 6:00am |
| 8:00pm | 7:00am |
| 9:00pm | 8:00am |
| 10:00pm | 9:00am |
| 11:00pm | 10:00am |
| 00:00 | 11:00 |
| 01:00 | 12:00 |
| 02:00 | 13:00 |
| 03:00 | 14:00 |
| 04:00 | 15:00 |
| 05:00 | 16:00 |
| 06:00 | 17:00 |
| 07:00 | 18:00 |
| 08:00 | 19:00 |
| 09:00 | 20:00 |
| 10:00 | 21:00 |
| 11:00 | 22:00 |
| 12:00 | 23:00 |
| 13:00 | 00:00 |
| 14:00 | 01:00 |
| 15:00 | 02:00 |
| 16:00 | 03:00 |
| 17:00 | 04:00 |
| 18:00 | 05:00 |
| 19:00 | 06:00 |
| 20:00 | 07:00 |
| 21:00 | 08:00 |
| 22:00 | 09:00 |
| 23:00 | 10:00 |
Casey Time
Offset: CAST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Antarctica
Countries using this time zone: Antarctica
Daylight Saving: Clocks in Casey Time (CAST) do not change for daylight saving time, so CAST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
CAST representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for CAST
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
Central Time
Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
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
CT 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 CT
- S - short form of 'Sierra'
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone