Dog days Dog days The dog days or are the hot, sultry days of summer. They were historically the period following the heliacal rising of the star system Sirius, which Greek and Roman astrology connected with heat, drought, sudden thunderstorms, lethargy, fever, mad dogs, and bad luck. They are now taken to be the hottest, most uncomfortable part of summer in the Northern Hemisphere. The English name is a calque of the Latin "" (."the puppy days"), itself a calque of the Greek "kynádes hēmérai" (, "dog days"). The Greeks knew the star α Canis Majoris by several names, including Sirius (,
Summer Special: Pinocchio / Hot Summer with the group wearing all white, walking slowly towards the camera. The video then cuts to another set with close-up shots of the group revealing electric blue outfits, topped with elaborate accessories. A street scene is also featured, where the group wears red outfits in front of the star-shaped prop while throwing paint over the buildings and at the camera. The video ends with the desert as the camera pans back. On May 30, 2015, SM Entertainment announced that the group will release their first Japanese single titled "Summer Special: Pinocchio / Hot Summer", on July 22, 2015. The single