Cancer (constellation) for Karkinos's effort, gave it a place in the sky. Some scholars have suggested that Karkinos was a late addition to the myth of Hercules in order to make the Twelve Labors correspond to the twelve signs of the Zodiac. , the Sun appears in the constellation Cancer from July 20 to August 9. In tropical astrology, the Sun is considered to be in the sign Cancer from June 21 to July 22, and in sidereal astrology, from July 16 to August 16. This constellation can be found during winter or autumn. In Chinese astronomy, the stars of Cancer lie
Planets in astrology in the fifth house. Venus is the planet of Friday. In languages deriving from Latin, such as Romanian, Spanish, French, and Italian, the word for Friday often resembles the word Venus ("vineri", "viernes", "vendredi" and "venerdì" respectively). Dante Alighieri associated Venus with the liberal art of rhetoric. In Chinese astrology, Venus is associated with the element metal, which is unyielding, strong and persistent. In Indian astrology, Venus is known as Shukra and represents wealth, pleasure and reproduction. In Norse Paganism, the planet is associated to Freyja, the goddess of love, beauty and fertility. Mars () is the ruling planet of