CDT to CAST Converter
Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 11, 2026 = 8:00 pm20:00 CAST (UTC+8), Oct 11, 2026
CDT is 13 hours behind CAST.
CDT and CAST examples
These examples always use CDT (UTC-5) and CAST (UTC+8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CDT is 13 hours behind CAST.
How the time difference changes
For most of the year, CDT is 13 hours behind CAST. At other times of the year, CST is 14 hours behind CAST.
For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 10:00 pm to 6:00 am (next day) in CAST. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 11:00 pm to 7:00 am (next day) in CAST.For most of the year, working hours of 09:00 to 17:00 in CDT correspond to 22:00 to 06:00 (next day) in CAST. At other times of the year, working hours of 09:00 to 17:00 in CST correspond to 23:00 to 07:00 (next day) in CAST.
Compare CDT time with CAST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 13 hours behind Casey Time.
7:00 am07:00 in CDT is 8:00 pm20:00 in CAST
CDT to CAST call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in CDT which corresponds to 7am-8am07:00-08:00 in CAST (next day)
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:00 pm20:00 Casey Time (CAST). Offset UTC +8:00 hours
7:00 am07:00 CDT / 8:00 pm20:00 CAST
| CDT | CAST |
|---|---|
| 12:00am | 1:00pm |
| 1:00am | 2:00pm |
| 2:00am | 3:00pm |
| 3:00am | 4:00pm |
| 4:00am | 5:00pm |
| 5:00am | 6:00pm |
| 6:00am | 7:00pm |
| 7:00am | 8:00pm |
| 8:00am | 9:00pm |
| 9:00am | 10:00pm |
| 10:00am | 11:00pm |
| 11:00am | 12:00am |
| 12:00pm | 1:00am |
| 1:00pm | 2:00am |
| 2:00pm | 3:00am |
| 3:00pm | 4:00am |
| 4:00pm | 5:00am |
| 5:00pm | 6:00am |
| 6:00pm | 7:00am |
| 7:00pm | 8:00am |
| 8:00pm | 9:00am |
| 9:00pm | 10:00am |
| 10:00pm | 11:00am |
| 11:00pm | 12:00pm |
| 00:00 | 13:00 |
| 01:00 | 14:00 |
| 02:00 | 15:00 |
| 03:00 | 16:00 |
| 04:00 | 17:00 |
| 05:00 | 18:00 |
| 06:00 | 19:00 |
| 07:00 | 20:00 |
| 08:00 | 21:00 |
| 09:00 | 22:00 |
| 10:00 | 23:00 |
| 11:00 | 00:00 |
| 12:00 | 01:00 |
| 13:00 | 02:00 |
| 14:00 | 03:00 |
| 15:00 | 04:00 |
| 16:00 | 05:00 |
| 17:00 | 06:00 |
| 18:00 | 07:00 |
| 19:00 | 08:00 |
| 20:00 | 09:00 |
| 21:00 | 10:00 |
| 22:00 | 11:00 |
| 23:00 | 12:00 |
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
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, Ciudad Juarez, Dallas.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) started 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. Daylight saving starts annually on the second Sunday of March.
End: Central Daylight Time (CDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.
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
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