If you started using Pact in the middle of the week you will have Bonus days associated with your first pact. Your first pact will end this Sunday. After this initial extended pact week your pacts will begin on Monday and end on Sunday.
The reason we grant these bonus days to new users is to ensure that there is always at least one full week to complete a pact. This prevents the creation of overly difficult or impossible to complete pacts. Bonus days are also granted if a user decides to end a break in the middle of the week.