heliacal

And the heliacal risings of Jupiter, as also, indeed, those of the other planets, are shown in almanacs for astrological purposes.

On the ceiling of the Memnonium at Thebes the heliacal rising of Sirius is represented under the form and name of Isis.

The festivals were marked by the periodical return of certain astronomical phenomena, and those heliacal risings to which any mythological ideas were attached, were noted with great care.

Dog-days, the name applied by the ancients to a period of about forty days, the hottest season of the year, at the time of the heliacal rising of Sirius, the dog-star.

Brugsch states that the appearance of the said new moon, which was also associated with the heliacal rising of Sirius, would range from Aug.