It was originated from a blog post by the Mr. Blurry Cameraphone-man, whom posted the diagram below at his new Chinese "micro-blog" hosted at the Sina Weibo, a few days ago:-
http://weibo.com/1495193132/zob2Hz9r5
(Update: The above page has been removed.)
So, this is the significant stuff that posted:-
In short, the Japanese words above meant that at 10:00 a.m. on a x7th day (something is