Orange Circle Studio 16-Month 2017 Wall Calendar, Glow-In-The-Dark Constellations (51188) 16-Month 2017 glow-in-the dark constellations wall calendar measures 12 x 24 inches when opened Take stargazing to exciting New heights with this glow-in-the-dark calendar featuring the constellations of the zodiac Illustrated translations of the constellations breathe life into their legends, making for an endlessly interesting year Printed on heavy Forest Stewardship council-certified paper using soy-based inks; includes monthly lunar phases as well as all US, Canadian, New Zealand, uk and Australian Major holidays Orange circle invites you to explore their line of fresh, innovative calendars, organizers and PLANNERS available on Amazon