Start keeping track of your agenda at any point during the year with the Blue Sky® Perpetual Daily Planner. Undated, two-days-per-page format is ideal for flexible, day to day planning. Additional ruled notes pages in the back of the book accommodate any essential detail you wish to capture. Durable cover and snag-free, twin-wire binding help ensure that this planner maintains its professional appearance. Dated/Undated: Undated; Calendar Format: Daily; Calendar Spread Format: Two Days per Page; Academic Year: No.