EST to ACDT Converter
Time Difference
Eastern Daylight Time is 13 hours and 30 minutes behind Australian Central Standard Time
7:00 am07:00 in EDT is 8:30 pm20:30 in ACST
EST to ACDT call time
Best time for a conference call or a meeting is between 5am-7am in EST which corresponds to 8:30pm-10:30pm in ACDT
7:00 am07:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:30 pm20:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
7:00 am07:00 EDT / 8:30 pm20:30 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 Daylight Time
Offset: ACDT is 10 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 ACDT timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Adelaide Hills, Mount Gambier, Morphett Vale, Prospect

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Australian Central Standard Time (ACST).
End: Australian Central Daylight Time (ACDT) has ended 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 local standard time instead. Daylight saving ends annually the on first Sunday of April
Start: Australian Central Daylight Time (ACDT) starts 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. Daylight saving starts annually the on first Sunday of October
ACDT representations, usage and related time zones
- +1030 - basic
- +10:30 - extended
- +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates ten hour and thirty minutes time differences to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/South
- Australia/Yancowinna
- ACDT - Australian Central Daylight Time
- LHST - Lord Howe Standard Time