EST to ACST Converter
ACST is not used on this date
This converter keeps ACST at GMT +9:30. Adelaide uses ACDT (GMT +10:30) on this date. Open the ACDT converter, or choose Adelaide, Adelaide Hills, or Mount Gambier for city-specific time.Compare EST time with ACST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 14 hours and 30 minutes behind Australian Central Standard Time
7:00 am07:00 in EST is 9:30 pm21:30 in ACST
EST to ACST call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm in EST which corresponds to 8am-9am in ACST (next day)
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
9:30 pm21:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
7:00 am07:00 EST / 9:30 pm21:30 ACST
| EST | ACST |
|---|---|
| 12am (midnight) | 2:30 pm |
| 1am | 3:30 pm |
| 2am | 4:30 pm |
| 3am | 5:30 pm |
| 4am | 6:30 pm |
| 5am | 7:30 pm |
| 6am | 8:30 pm |
| 7am | 9:30 pm |
| 8am | 10:30 pm |
| 9am | 11:30 pm |
| 10am | 12:30 am |
| 11am | 1:30 am |
| 12pm (noon) | 2:30 am |
| 1pm | 3:30 am |
| 2pm | 4:30 am |
| 3pm | 5:30 am |
| 4pm | 6:30 am |
| 5pm | 7:30 am |
| 6pm | 8:30 am |
| 7pm | 9:30 am |
| 8pm | 10:30 am |
| 9pm | 11:30 am |
| 10pm | 12:30 pm |
| 11pm | 1:30 pm |
| 00:00 | 14:30 |
| 01:00 | 15:30 |
| 02:00 | 16:30 |
| 03:00 | 17:30 |
| 04:00 | 18:30 |
| 05:00 | 19:30 |
| 06:00 | 20:30 |
| 07:00 | 21:30 |
| 08:00 | 22:30 |
| 09:00 | 23:30 |
| 10:00 | 00:30 |
| 11:00 | 01:30 |
| 12:00 | 02:30 |
| 13:00 | 03:30 |
| 14:00 | 04:30 |
| 15:00 | 05:30 |
| 16:00 | 06:30 |
| 17:00 | 07:30 |
| 18:00 | 08:30 |
| 19:00 | 09:30 |
| 20:00 | 10:30 |
| 21:00 | 11:30 |
| 22:00 | 12:30 |
| 23:00 | 13:30 |
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started 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. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends 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 local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of five hours 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 using this time zone: Australia
Principal Cities: The largest city in the ACST time zone is Darwin in Australia, with about 129,062 people. Other major cities in this time zone include Alice Springs, Palmerston.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Central Daylight Time (ACDT).
End: Australian Central Standard Time (ACST) ended on Sunday, October 5, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time ends annually on the first Sunday of October.
Start: Australian Central Standard Time (ACST) starts on Sunday, April 5, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually on the 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 an offset of nine hours and thirty minutes to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna