1. 
   TZ
   abbreviation: United Republic of Tanzania (Africa nation on western shore of Indian Ocean bordered by Kenya, Mozambique, Malawi, Zambia, Lake Tanganyika, Burundi, Rwanda and Uganda)
   Found op http://www.apscharts.com/abbrev.html
   
   
2. 
   TZ
   Time Zone [Unix]
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   TZ
   Nachrichtechnische Zeitschrift (Germany)
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   tz
   (networking) The country code for Tanzania. (1999-01-27)
   Found op http://foldoc.org/tz
   
   
5. 
   TZ
   (operating system) The Unix environment variable containing the current time zone identifier, e.g. 'GMT', 'EST'. In early versions of Unix this variable simply contained the standard identifier for the zone, an offset in hours from GMT and an identifier to use during daylight saving time (e.g. 'GMT0...
   Found op http://foldoc.org/TZ
   
   
6. 
   TZ
   The two-character ISO 3166 country code for TANZANIA, UNITED REPUBLIC OF.
   Found op http://www.duke.edu/~charvey/Classes/wpg/bfglost.htm
   
   

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