List of patches and date installed

Does anyone know of a command that would show the list of patches installed and the date it was installed? My understanding is that "showrev -p" would show patches but not the date they were installed. I'm looking for this on a Solaris 10 server. Thanks.

You could go by the file date of /var/sadm/patch/*/log . For patches that came pre-installed something like grep -h PATCH_INFO /var/sadm/pkg/SUNW*/pkginfo will get you the information.

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Thanks Walter. I'm not familiar with /var/sadm/patch/*/log but will this show all patches applied or just patches that used the patchadd command (not sure if there is a difference)?