Sydney Time is 4.5 hours ahead of IST (AEST) or 5.5 hours ahead (AEDT)
What is the time difference between IST and Sydney?
The time difference between Indian Standard Time (IST) and Sydney depends on whether Daylight Saving Time is in effect. During standard time (AEST), Sydney is 4 hours and 30 minutes ahead of IST. During daylight time (AEDT), Sydney is 5 hours and 30 minutes ahead of IST.