cat /etc/sysconfig/clock
Valid timezone settings...
ls -l /usr/share/zoneinfo
Change...
timedatectl / timeconfig
cat /etc/default/tz
Valid timezone settings...
ls -l /usr/lib/tztab
Change...
set_parms timezone
Valid timezone settings...
ls -l /usr/share/lib/zoneinfo
Change...
svccfg -s timezone:default setprop timezone/localtime= astring: <timezone>
svcadm refresh timezone:default
timedatectl status
Set Timezone...
timedatectl set-timezone Europe/London
An oft forgotten command available by default in most variants of UNIX and Linux...
ncal -3 -w -b
cal