ref: 7d1b9e39f7b1dac4c2ed6e3771585548ccd9e2d4
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.