Find clock different between two hosts in linux – using clockdiff
[root@unixfoo1 root]# clockdiff -o unixfoo2
…………………………………………..
host=unixfoo2 rtt=60(3)ms/54ms delta=22153ms/22153ms Mon Oct 29 01:42:13 2007
[root@unixfoo1 root]# clockdiff -o unixfoo3
…………………………………………..
host=unixfoo3 rtt=298(7)ms/287ms delta=-21533793ms/-21533793ms Mon Oct 29 01:43:07 2007
[root@unixfoo1 root]#