EST is 15 hours behind AEST (winter) or 16 hours behind AEDT (summer)
What is the time difference between Sydney and EST?
The time difference between Sydney and Eastern Standard Time (EST) depends on whether Daylight Saving Time is in effect. During standard time (AEST), EST is 15 hours behind Sydney. During daylight time (AEDT), EST is 16 hours behind Sydney.