Hello how may I help you? I want information about time zones Sure, I can help you with information about time zones. how do they work? I can help you calculate differences in time zones, but explaining how they work is not really my function. Sorry. about that. please tell me where can I find this information Sure, you can try a quick web search and will find thousands of pages and videos which will explain how time zones work. thank you You're welcome. Anything else I can assist you with today? no thanks Have a great day!