From the album: Samurai's Photo Albums
The last-reply date under the avatar of the user to to last reply in a topic while viewing a topic on mobile theme is always set to the 15th of any month. The dates show up correctly in the desktop theme. This image shows a mobile screenshot while viewing the Samurai's Video Classroom forum: http://appliantology.org/forum/45-samurais-appliance-repair-video-classroom/