AT-A-GLANCE Wall Calendar 2017, Erasable, Horizontal, Academic Year/Regular Year, 48 x 32" (PM326S28) Calendar displays 12 months on both sides in horizontal orientation providing a handy visual reference for planning your year. Julian dates. Erasable write-on/wipe-off surface takes the risk out of writing down tentative plans Reversible academic year/regular year calendar lets you choose the date range that best fits your needs. Academic planning from July - June on one side and regular planning January - December on the reverse.