ET is not static but switches between EDT and EST.ĮT is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. Offset UTC -4:00 hoursħ:30 am 07:30 IST / 10:00 pm 22:00 EDT / 10:00 pm 22:00 EDT ISTĮastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. Offset UTC +5:30 hoursġ0:00 pm 22:00 Eastern Daylight Time (EDT). India Standard Time is 9 hours and 30 minutes ahead of Eastern Daylight Time and 9 hours and 30 minutes ahead of Eastern Daylight Timeħ:30 am 07:30 in IST is 10:00 pm 22:00 in EDT and is 10:00 pm 22:00 in EDTīest time for a conference call or a meeting is between 6pm-8pm in IST which corresponds to 7:30am-9:30am in ETīest time for a conference call or a meeting is between 5:30pm-7:30pm in IST which corresponds to 8am-10am in EDTħ:30 am 07:30 India Standard Time (IST).