This interactive world atlas calculates local time as well as sunrise and sunset times for several hundred cities, and includes a database of public holidays around the world. These works define geographical and cartographic terms. Hundreds of acronyms defined. Browsable by term. Dictionary of geological terms arranged alphabetically and browsable by search engine.
Links provide additional sources of related information.
Online dictionary of terms which either relate directly to GIS or which GIS users may come across in the course of their work. Brief list of map-related terms. The company will add terms to the glossary upon request. Explains acronyms and other terms associated with economic geography. Includes lists of terms and concepts.