Hello how may I help you? I need information on time zones That's what I'm here for! What kind of information do you need? How do they work? I'm sorry, I can only calculate the time in different time zones. I cannot provide information on how they work What time is it in las vegas if its 5pm in chicago? It would be 6pm in Las Vegas Okay thank you Are there any other questions I can answer for you? No that's all, thanks You got it!