Ubuntu

Binary package “tzdata” in ubuntu precise

  1. Precise (12.04)
  2. tzdata

time zone and daylight-saving time data

 This package contains data required for the implementation of
 standard local time for many representative locations around the
 globe. It is updated periodically to reflect changes made by
 political bodies to time zone boundaries, UTC offsets, and
 daylight-saving rules.

Source package