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 (,
Phrases from The Hitchhiker's Guide to the Galaxy that was defective. Among the design flaws is the choir of robots that perform this song: they sing a tritone out of tune with the accompaniment. The "Guide" relates that the words ""Share and Enjoy"" were displayed in illuminated letters three miles high near the Sirius Cybernetics Complaints Division, until their weight caused them to collapse through the underground offices of many young executives. The upper half of the sign that now protrudes translates in the local tongue as ""Go stick your head in a pig"", and is lit up only for special celebrations. The episode features a personal computer