Today is 13th, and it falls on Friday, oh no it's a Black Friday. Is Black Friday that bad? To me, it's just an ordinary day. But it seems like lots of bad things had happened on this day like battle, crisis, disaster and so forth. Well, Black Friday has other definition too, in US, it is the day after thankgiving, which can be considered shopping day to them. In some context, it means the last friday before Christmas. And there are a lot of meaning for Black Friday, click here and here if you are interested to know.