Uses of Class
java.util.TimeZone

Packages that use TimeZone 
Package Description
java.text
Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
javax.xml.datatype
Defines XML/Java Type Mappings.