The Time Zone Database (often called tz or zoneinfo) contains code and data that represent the history of 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.
Latest version
| Time Zone Data v. 2011l (Released 10 October 2011) | tzdata2011l.tar.gz (203kb) |
| Time Zone Code v. 2011i (Released 29 August 2011) | tzcode2011i.tar.gz (135kb) |