Abstract: A development project scheduling method for scheduling a plurality of development tasks includes the steps of selecting a construction job schedule chart having a list of a plurality of discrete development tasks for completion of a construction job. The development tasks are listed in the order that each task is to be performed relative to the other tasks. The development project schedule has a bar chart bar for each listed construction task scaled to the days required to complete the task. A calendar overlay is then made having calendar days thereon and a plurality of lines marking the calendar days and scaled to the selected development project schedule job schedule chart development task bar chart bars. The calendar overlay is made having selected calendar days, such as Sundays and holidays, missing therefrom.