Day Runner Monthly Planner Refill 2017, Loose Leaf, 3-3/4 x 6-3/4", Size 3 (471-685Y) Loose-leaf monthly planning pages can be added to Day Runner PRO Planners for additional organization. Includes 12 months of calendars from January - December with world holidays listed. Julian dates Calendar format is one month per two page spread; tabs make it easy to locate your current month. Sunday - Saturday format facilitates monthly planning of appointment and projects Daily blocks are ruled to keep handwriting aligned and allow precise scheduling. Each calendar features a ruled column for notes and past / future month calendar blocks for reference