The date changed and nobody noticed until they found themselves cast astray upon th calendar of days. It was a dying time, a birthing time, and a time of catastrophic social change. Nobody knew what to do with a Wednesday. The millennium of Tuesday had cemented them firmly in their routes, and they knew what was, and what was not, a Tuesday thing. Wednesday? They had no idea. Going to the library was an everyday, any day thing, and so they still had the records from Monday--enough to know that the changes they might have to make could be severe. They huddled in their homes and some pretended to be sick, that first Wednesday. It was risky pretending to be sick on a Tuesday, but they had no idea what--

Inspiration: Looking at my day calendar, realizing the day was wrong.
Story Potential: Medium.
Notes: Alien experiment? Weird magic realism world? Who knows!