EST to ACST Converter
Time Difference
Eastern Daylight Time is 13 hours and 30 minutes behind Australian Central Standard Time
10:00 pm22:00 in EDT is 11:30 am11:30 in ACST
EST to ACST call time
Best time for a conference call or a meeting is between 5:30am-7:30am in EST which corresponds to 8pm-10pm in ACST
10:00 pm22:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:30 am11:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
10:00 pm22:00 EDT / 11:30 am11:30 ACST
| EDT | ACST |
|---|---|
| 12am (midnight) | 1:30 pm |
| 1am | 2:30 pm |
| 2am | 3:30 pm |
| 3am | 4:30 pm |
| 4am | 5:30 pm |
| 5am | 6:30 pm |
| 6am | 7:30 pm |
| 7am | 8:30 pm |
| 8am | 9:30 pm |
| 9am | 10:30 pm |
| 10am | 11:30 pm |
| 11am | 12:30 am |
| 12pm (noon) | 1:30 am |
| 1pm | 2:30 am |
| 2pm | 3:30 am |
| 3pm | 4:30 am |
| 4pm | 5:30 am |
| 5pm | 6:30 am |
| 6pm | 7:30 am |
| 7pm | 8:30 am |
| 8pm | 9:30 am |
| 9pm | 10:30 am |
| 10pm | 11:30 am |
| 11pm | 12:30 pm |
| 0:00 | 13:30 |
| 1:00 | 14:30 |
| 2:00 | 15:30 |
| 3:00 | 16:30 |
| 4:00 | 17:30 |
| 5:00 | 18:30 |
| 6:00 | 19:30 |
| 7:00 | 20:30 |
| 8:00 | 21:30 |
| 9:00 | 22:30 |
| 10:00 | 23:30 |
| 11:00 | 0:30 |
| 12:00 | 1:30 |
| 13:00 | 2:30 |
| 14:00 | 3:30 |
| 15:00 | 4:30 |
| 16:00 | 5:30 |
| 17:00 | 6:30 |
| 18:00 | 7:30 |
| 19:00 | 8:30 |
| 20:00 | 9:30 |
| 21:00 | 10:30 |
| 22:00 | 11:30 |
| 23:00 | 12:30 |
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
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 Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
EST 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 five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- 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
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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
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