In the context of OK.ru, specific timestamps like "8 uhr 28" (German for 8:28) often relate to: 🎥 Video Premieres and Streams
The most exciting (and least likely, yet most popular) theory is that "8 uhr 28 ok.ru" is part of an Alternate Reality Game. German ARG communities have a history of using obscure Russian platforms to host clues. 8 uhr 28 ok.ru