CDT to Sydney, Australia
Compare CDT time with Sydney time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Standard Time is 17 hours behind AEDT (Australian Eastern Daylight Time)
6:00 am06:00 in CST is 11:00 pm23:00 in Sydney, Australia
CST to Sydney call time
Best time for a conference call or a meeting is between 4pm-5pm in CST which corresponds to 9am-10am in Sydney (next day)
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
6:00 am06:00 CST / 11:00 pm23:00 Sydney, Australia
| CST | Sydney, Australia |
|---|---|
| 12am (midnight) | 5pm |
| 1am | 6pm |
| 2am | 7pm |
| 3am | 8pm |
| 4am | 9pm |
| 5am | 10pm |
| 6am | 11pm |
| 7am | 12am (midnight) |
| 8am | 1am |
| 9am | 2am |
| 10am | 3am |
| 11am | 4am |
| 12pm (noon) | 5am |
| 1pm | 6am |
| 2pm | 7am |
| 3pm | 8am |
| 4pm | 9am |
| 5pm | 10am |
| 6pm | 11am |
| 7pm | 12pm (noon) |
| 8pm | 1pm |
| 9pm | 2pm |
| 10pm | 3pm |
| 11pm | 4pm |
| 00:00 | 17:00 |
| 01:00 | 18:00 |
| 02:00 | 19:00 |
| 03:00 | 20:00 |
| 04:00 | 21:00 |
| 05:00 | 22:00 |
| 06:00 | 23:00 |
| 07:00 | 00:00 |
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 11:00 | 04:00 |
| 12:00 | 05:00 |
| 13:00 | 06:00 |
| 14:00 | 07:00 |
| 15:00 | 08:00 |
| 16:00 | 09:00 |
| 17:00 | 10:00 |
| 18:00 | 11:00 |
| 19:00 | 12:00 |
| 20:00 | 13:00 |
| 21:00 | 14:00 |
| 22:00 | 15:00 |
| 23:00 | 16:00 |
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 2.696 million people. Other major cities in this time zone include Houston, Ciudad Juarez, San Antonio, Dallas.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Central Daylight Time (CDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
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
Sydney Information
Time Zone
AEDT - Australian Eastern Daylight Time
+11:00 hours during Australian Eastern Daylight Time.
Sunday, October 4, 2026 at 2:00 am local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, April 5, 2026 at 3:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.