Hello how may I help you? How I am looking for information in regards to time zone I can help you with that. What would you like to know? How does time zones work exactly Sorry I can't help you with that. I can only calculate the time in different time zones. Ok, for instance if it is 1 pm here in California what would would it be in London I mean what time I'll calculate that for you. thanks It would be 9am in London. thanks for that information You're welcome!