ref: 3e94fbcf9c6caa7cde6051bec82cae3b1c8d3e11
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.