Hello how may I help you? yea i need to know how time zones work I'm sorry. I can only calculate the times in different times zones. The task you require is not in my skillset. Okay. What is the difference in EST and PST? Can you specify a location? I am located in Redmond Please specify what country would like to get the time of. I wanted to calculate the difference between EST and PST time zones. thanks for your help either way Checking. EST is 3 hours ahead of PST. Thank you Time zone bot! Glad to be of service.