Convert Australian Eastern Standard Time to Central Daylight Time
Instantly convert Australian Eastern Standard Time (AEST) to Central Daylight Time (CDT) with our free online calculator.
Australian Eastern Standard Time
03:20:55 PM
Wed, Jun 24 (AEST)
Central Daylight Time
12:20:55 AM
Wed, Jun 24 (CDT)
Convert a Specific Time
24-Hour Comparison
| AEST | CDT |
|---|---|
| 12:00 AM | 9:00 AM(-1d) |
| 1:00 AM | 10:00 AM(-1d) |
| 2:00 AM | 11:00 AM(-1d) |
| 3:00 AM | 12:00 PM(-1d) |
| 4:00 AM | 1:00 PM(-1d) |
| 5:00 AM | 2:00 PM(-1d) |
| 6:00 AM | 3:00 PM(-1d) |
| 7:00 AM | 4:00 PM(-1d) |
| 8:00 AM | 5:00 PM(-1d) |
| 9:00 AM | 6:00 PM(-1d) |
| 10:00 AM | 7:00 PM(-1d) |
| 11:00 AM | 8:00 PM(-1d) |
| 12:00 PM | 9:00 PM(-1d) |
| 1:00 PM | 10:00 PM(-1d) |
| 2:00 PM | 11:00 PM(-1d) |
| 3:00 PM | 12:00 AM |
| 4:00 PM | 1:00 AM |
| 5:00 PM | 2:00 AM |
| 6:00 PM | 3:00 AM |
| 7:00 PM | 4:00 AM |
| 8:00 PM | 5:00 AM |
| 9:00 PM | 6:00 AM |
| 10:00 PM | 7:00 AM |
| 11:00 PM | 8:00 AM |
How to Convert Australian Eastern Standard Time to Central Daylight Time
Formula
To convert Australian Eastern Standard Time (AEST) to Central Daylight Time (CDT): Convert AEST to CDT
About Australian Eastern Standard Time (AEST)
Australian Eastern Standard Time (AEST, IANA: Australia/Sydney) is the civil time of Australia's most populous eastern states — New South Wales (NSW), Victoria (VIC), Queensland (QLD), Tasmania (TAS), Australian Capital Territory (ACT) — set at UTC+10:00. AEST is observed in winter; NSW + VIC + TAS + ACT switch to Australian Eastern Daylight Time (AEDT = UTC+11) from the first Sunday of October to the first Sunday of April. Queensland does NOT observe DST (stays on AEST year-round) — a state-level decision affirmed by referendums in 1992. AEST serves approximately 21 million Australians — about 80% of the country's population. AEST is identical in offset to Vladivostok Time (Russia), Papua New Guinea Time (PGT), Guam-Chamorro Time (CHST), and the US-territory Northern Mariana Islands. Major AEST cities: Sydney NSW (5.4M metro — largest Australian city + ASX home), Melbourne VIC (5.1M metro — 2nd-largest), Brisbane QLD (2.6M metro — 3rd-largest, on AEST year-round), Gold Coast QLD (725K — tourist coastline), Newcastle NSW (475K), Canberra ACT (450K — federal capital), Hobart TAS (250K — Tasmanian capital). Affects: ASX trading hours 10:00-16:00 AEST, Australian Cricket / AFL game scheduling, Great Barrier Reef + Sydney Opera House tourism operating hours.
About Central Daylight Time (CDT)
Central Daylight Time (CDT, IANA: America/Chicago during DST window) is the summer-time variant of CST, set at UTC-5:00 — observed from the second Sunday in March to the first Sunday in November per the US Energy Policy Act of 2005. CDT shares the same UTC offset as Eastern Standard Time (EST), so during winter months Chicago/Dallas are one hour behind New York/Atlanta, but during summer months Chicago/Dallas are still one hour behind because both regions advance equally for DST. The 'spring forward / fall back' transition affects an estimated 311 million US residents annually per Census data. CDT is used in 16 US states partially or fully (Illinois, Texas, Wisconsin, Minnesota, Iowa, Missouri, Arkansas, Louisiana, Mississippi, Alabama, Tennessee, Kansas, Nebraska, Oklahoma, North Dakota, South Dakota) and parts of Canada (Manitoba, western Ontario, Saskatchewan partial — Saskatchewan stays on CST year-round, an exception). Affects MLB season game scheduling, CME / CBOT commodity trading hours, and US-Canada-Mexico USMCA cross-border supply-chain handoffs.