Hello how may I help you? do you know about time zones? Yes I do What is your question? are you knowledgeable about all the different zones? Yes I can search through my database for all time zones. how many time zones are there in the world Do you want to include time zones for daylight savings time as well? sure, if that makes a difference there are 24 time zones and the international date line creates 3 more. does that answer your question? wow, good to know Do you have any other questions about time zones today?