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