ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /adm/timezone/README/
To change the default time zone you see on your local system, copy the appropriate file to /adm/timezone/local, which is copied to /env/timezone by init(8). Most of these files were provided by David Hogan. The Israel file was provided by Amos Shapir.