An Advenrute in Time

It was a regular day in June, there wasn't a single cloud in the sky, and the sun's heat was unbearable. Every minute felt like an hour, while I sat in the overheated classroom, waiting for school to end.
As soon as the bell had rung, I ran out of the classroom and left the school building. I was going to Manhattan to meet my friends Michael and Vitaliy, so I went to the train station and boarded the Q train.
Even though it was Friday, for some reason I did not feel as cheerful as I usually do at the beginning of a weekend. I felt as if something was wrong, yet I didn't know what, so to ge…