Well. The game usually starts off with a "Day", Day 0 or Day 1. The "Day" ends when one person is lynched (recieves a majority of votes) or when the deadline is reached, then the user with most votes is lynched (usually). In this case, the deadline for one game "Day" is 7 real life days. After that comes "Night". Then all special roles send in their actions. The "Night" ends when all actions have been received or when the deadline is met.
Hope this clear things up for ya!