How to configure NTP / SNTP on an HP Procurve switch
sntp unicasttimesync sntpsntp server priority 1 1.2.3.4Depending on the version, you may require a slightly different syntax
sntp unicasttimesync sntpsntp server 1.2.3.4Change the 1.2.3.4 to be the IP address of your NTP server. I often use domain controllers as an NTP server as they automatically run NTP.
Make sure you write the config to memory afterwards.
write mem