Just for knowledge and nothing else, nothing to do with Islam… and Islam doesnt allow or to beleive in such things

 
Rather Friday is most important, pious, glorious day among other days of week and one of the best gift from God , So why beleive in such craps......

Friday the 13th 

A Friday occurring on the 13th day of any month is considered to be a day of bad luck in English, German, Polish and Portuguese-speaking cultures around the globe. Similar superstitions exist in some other traditions. In Greece or Spain, for example, Tuesday the 13th takes the same role……. 

Reference : en.wikipedia.org/wiki/Friday_the_13th