Geometrical division of time across the world in 24 longitudinal divisions. Time zones are determined by dividing the Earth into 24 lunes with 15 degrees of longitude in width, observing local time, and then making the zone one hour earlier than the zone immediately to the east. Use 'time zone' in a Sentence.Where do the world time zones begin?
What you may know as the prime meridian -- or more formally the Greenwich Meridian -- is the initial division line for all time zones. It's where dividing the Earth up into regions effectively starts. The prime meridian is an imaginary line -- invisible by all rights -- that runs from north to south along the 0 degree longitude line of Earth.Is Italy and Madrid on same time zone?
Since Rome, Italy and Madrid, Spain currently have equivalent time zones, you can call someone during your normal hours and it will be the same time in Madrid, Spain as it is in Rome, Italy. Remember to check daylight savings for any time changes if you are scheduling a call.Is Paris Venice and Italy in the same time zone?
This will be between 7AM - 11PM their time, since Paris, France is in the same time zone as Venice, Italy. If you're available any time, but you want to reach someone in Paris, France at work, you may want to try between 9:00 AM and 5:00 PM your time. This is the best time to reach them from 9AM - 5PM during normal working hours.