Hello how may I help you? I have a question about time zones. Sure I don't know how time zones work, can you tell me? I'm sorry but I can't do that for now. Okay, but I don't know how time zones work. What is the definition? Sorry but I can't answer that for now. I can only calculate What's the time zone for Iceland? Sorry but that is not provided in the data base. Okay, thanks anyway anything else? No that's all.