Harry potter's most hatred enemy is Voldemort followed by others like Snape and the Malfoys are also not his favorites. Whereas his biggest fear is the Dementors. His mark is something caused by Voldemort at his forehead
It would've been day by day of week by week and it would've been exciting what he experience that specific day. The book NIght written as it is not always as specific for certain days and events :)
