Data

World Time Zone and Daylight Saving Time 
World Time Zone Boundaries divided by Country, contains mapped data with Daylight Saving Time Information.

U.S. Terrain Areas
Terrain information derived from the U.S. Department of Agriculture's Natural Resources Conservation Service (NRCS) State Soil Geographic (STATSGO) database.

U.S. Time Zone Boundaries
Time Zone boundaries for the U.S. with Daylight Saving Time information, accurate to the township and section boundaries.

WorldInfo
WorldInfo helps you locate almost any city, town, or village in the world both quickly and easily. As a global reference map, WorldInfo allows you to visualize things such as time zone boundaries, coastlines, international borders, roads, ports, airports, city points, elevation and contour data.