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The dog days or dog days of summer 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.
Simply so, what does the phrase the dog days mean?
Definition of dog days. 1 : the period between early July and early September when the hot sultry weather of summer usually occurs in the northern hemisphere. 2 : a period of stagnation or inactivity.
how long does dog days last?
40 days
The phrase is actually a reference to the fact that, during this time, the Sun occupies the same region of the sky as Sirius, the brightest star visible from any part of Earth and part of the constellation Canis Major, the Greater Dog.