A schedule is a supporting document that provides additional details or proof for the information stated in a primary document. In business, schedules are needed to provide proof for the ending balances stated in the general ledger, as well as to provide additional detail for contracts. Examples of schedules are:

A schedule is also a timeline for a project. For example, a schedule shows the activities required to complete a construction project, along with task assignments, expected task durations, and milestones reached.