How to configure NTP / SNTP / Time server on the HP Comware v5 Switches
system-view
clock timezone BST add 01:00:00
clock summer-time BST repeating 02:00:00 2011 March last Sunday 02:00:00 2011 October last Sunday 02:00:00
ntp-service unicast-server 1.2.3.4 priority 1
ntp-service unicast-server 4.5.6.7 priority 2
save f
quit