[01:19:40]<imbezol@igloo:~> date --date='1970-01-01 UTC 1173679260 seconds'
Mon Mar 12 00:01:00 MDT 2007
[01:19:42]<imbezol@igloo:~> uname -o
GNU/Linux


[01:19:46]<root@pliosaur:~> date -j -r 1173679260
Sun Mar 11 23:01:00 MST 2007
[01:19:59]<root@pliosaur:~> uname
FreeBSD