CST to Sydney Time Converter
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.
Mexico City and Saskatchewan stay on CST (UTC−6).
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 18, 2026 = 11:00 pm23:00 AEDT (UTC+11), Oct 18, 2026
CDT is 16 hours behind Sydney.
How the time difference changes
Depending on seasonal clock changes, CDT is 15 hours behind Sydney, CDT is 16 hours behind Sydney, or CST is 17 hours behind Sydney.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in CDT correspond to 12:00 am (next day) to 9:00 am (next day) in Sydney, working hours of 9:00 am to 6:00 pm in CDT correspond to 1:00 am (next day) to 10:00 am (next day) in Sydney, or working hours of 9:00 am to 6:00 pm in CST correspond to 2:00 am (next day) to 11:00 am (next day) in Sydney.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in CDT correspond to 00:00 (next day) to 09:00 (next day) in Sydney, working hours of 09:00 to 18:00 in CDT correspond to 01:00 (next day) to 10:00 (next day) in Sydney, or working hours of 09:00 to 18:00 in CST correspond to 02:00 (next day) to 11:00 (next day) in Sydney.
Compare CST time with Sydney time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 16 hours behind AEDT (Australian Eastern Daylight Time).
7:00 am07:00 in CDT is 11:00 pm23:00 in Sydney, Australia
CDT to Sydney call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in CDT which corresponds to 9am-10am09:00-10:00 in Sydney (next day)
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
7:00 am07:00 CDT / 11:00 pm23:00 Sydney, Australia
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, 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, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today the lighter areas are on UTC−5 (Central Daylight Time).
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.
See USA daylight saving time and upcoming clock changes worldwide.
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
Sydney Time Zone and Facts
Time Zone
AEST – Australian Eastern Standard Time, UTC+10 (standard time)