Origin of dog days
Examples from the Web for dog days
It's always the dog-days there; but all the Juffleses can stand fire like reg'lar bricks, as they are.
The dog-days got their name from Sirius, as they occur at the time when that star rises with the sun.Astronomy with an Opera-glass|Garrett Putman Serviss
Beauty, you should get yourself patented as a social refrigerator, 'Warranted proof against the dog-days.'Macaria|Augusta Jane Evans Wilson
This tropical-colored bird loves the hottest weather, and I hear him more in dog-days than at any other time.
I reached its base; but the heat was great, so dog-days like, that my courage failed me.Forty Years in the Wilderness of Pills and Powders|William A. Alcott
British Dictionary definitions for dog days
Word Origin for dog days
Word Origin and History for dog days
1530s, from Latin dies caniculares, from Greek; so called because they occur around the time of the heliacal rising of Sirius, the Dog Star (kyon seirios). Noted as the hottest and most unwholesome time of the year; usually July 3 to Aug. 11, but variously calculated, depending on latitude and on whether the greater Dog-star (Sirius) or the lesser one (Procyon) is reckoned.
The heliacal rising of Sirius has shifted down the calendar with the precession of the equinoxes; in ancient Egypt c.3000 B.C.E. it coincided with the summer solstice, which also was the new year and the beginning of the inundation of the Nile. The "dog" association apparently began here (the star's hieroglyph was a dog), but the reasons for it are obscure.
Culture definitions for dog days
The hot, muggy days of summer. The Romans associated such weather with the influence of Sirius, the dog star, which is high in the sky during summer days.
Idioms and Phrases with dog days
Hot, sultry summer weather; also, a period of stagnation. For example, It's hard to get much work done during the dog days, or Every winter there's a week or two of dog days when sales drop dramatically. The term alludes to the period between early July and early September, when Sirius, the so-called Dog Star, rises and sets with the sun. The ancient Romans called this phenomenon dies caniculares, which was translated as “dog days” in the first half of the 1500s.