Installed date using swlist command:How to get ??

Run the below command to get the installed date

#swlist -l fileset -a revision -a title -a state -a install_date

———Sample output ——
# vmGuestLib B.04.00 Integrity VM vmGuestLib 200903081306.51
vmGuestLib.GUEST-LIB B.04.00 Integrity VM GUEST-LIB fileset 200903081306.51 configured
# vmProvider B.04.00 WBEM Provider for Integrity VM vmProvider 200903081306.59
vmProvider.VM-PROV-CORE B.04.00 WBEM Provider for Integrity VM VM-PROV-CORE 200903081306.59 configured