|You can't change the timezone with the date command. You can set your TZ environment variable to do this. |
You can do this in your shell's initialization file, by setting or for the whole system (in Solaris 10) in /etc/default/init, by setting:
See also the man pages for TIMEZONE and (if you're on an x86 system) rtc, that is:
or by google searching for these man pages on docs.sun.com, with a search like:
I hope this helps.