ACST to CST Converter
ACST is NOT in use by many locations
ACDT (Australian Central Daylight Time) is used instead. Switch to ACDT time zone or select one of the cities Adelaide, Darwin, Adelaide Hills) for automatic timezone change.Time Difference
Australian Central Standard Time is 14 hours and 30 minutes ahead of Central Daylight Time
11:30 am11:30 in ACST is 9:00 pm21:00 in CDT
ACST to CST call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in ACST which corresponds to 5am-7am in CST
11:30 am11:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
9:00 pm21:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:30 am11:30 ACST / 9:00 pm21:00 CDT
| ACST | CDT |
|---|---|
| 12am (midnight) | 9:30 am |
| 1am | 10:30 am |
| 2am | 11:30 am |
| 3am | 12:30 pm |
| 4am | 1:30 pm |
| 5am | 2:30 pm |
| 6am | 3:30 pm |
| 7am | 4:30 pm |
| 8am | 5:30 pm |
| 9am | 6:30 pm |
| 10am | 7:30 pm |
| 11am | 8:30 pm |
| 12pm (noon) | 9:30 pm |
| 1pm | 10:30 pm |
| 2pm | 11:30 pm |
| 3pm | 12:30 am |
| 4pm | 1:30 am |
| 5pm | 2:30 am |
| 6pm | 3:30 am |
| 7pm | 4:30 am |
| 8pm | 5:30 am |
| 9pm | 6:30 am |
| 10pm | 7:30 am |
| 11pm | 8:30 am |
| 0:00 | 9:30 |
| 1:00 | 10:30 |
| 2:00 | 11:30 |
| 3:00 | 12:30 |
| 4:00 | 13:30 |
| 5:00 | 14:30 |
| 6:00 | 15:30 |
| 7:00 | 16:30 |
| 8:00 | 17:30 |
| 9:00 | 18:30 |
| 10:00 | 19:30 |
| 11:00 | 20:30 |
| 12:00 | 21:30 |
| 13:00 | 22:30 |
| 14:00 | 23:30 |
| 15:00 | 0:30 |
| 16:00 | 1:30 |
| 17:00 | 2:30 |
| 18:00 | 3:30 |
| 19:00 | 4:30 |
| 20:00 | 5:30 |
| 21:00 | 6:30 |
| 22:00 | 7:30 |
| 23:00 | 8:30 |
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
End: Australian Central Standard Time (ACST) has ended on Sunday, October 6, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.
Start: Australian Central Standard Time (ACST) starts on Sunday, April 6, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
ACST representations, usage and related time zones
- +0930 - basic
- +09:30 - extended
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are 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, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on 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 six hour and zero minutes time differences 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
- Colombia 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