i know that i will be receiving failing grades

it feels so bad because it will be my first time to receive one and my parents will surely be angry. how can i ease the pain im feeling and how can i explain this to my parents. the main reason i will fail because my teacher did not accept my late project. the deadline was 12noon and i submitted it at around 4pm so he did not accept it but i was wondering why the projects of others who also submitted late but earlier than me were accepted but was given a deduction.