Video produced by the MIT SENSEable City Lab at senseable.mit.edu/

Time zones influence the global rhythm of communications. Pulse of the Planet illustrates the volume of international calls between New York City and 255 countries over the twenty-four hours in a day.

Areas of the world receiving and making fewer phone calls shrink while areas experiencing a greater amount of voice call activity expand. International cities with the most call activity to and from New York are highlighted according to time zone.