THE 2024 GREGORIAN CALENDAR BY ROTTWEILER© FEATURES TWELVE SOLAR MONTHS, THIRTEEN FULL MOONS WITH THE 13TH OR 'BLUE MOON' FILLED IN WITH BLACK AND THE RETROGRADE CYCLES OF MERCURY HIGHLIGHTED IN TEAL. THIS PIECE OF FUNCTIONAL ART IS PERFECT FOR STAYING ORGANIZED IN ANY HOME OR OFFICE. THE PRINT MEASURES 36x24" INCHES WITH THE TOP HALF DISPLAYING THE CHINESE ZODIAC.