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
Astrology in medieval Islam the beginning of months and seasons, determining the direction of salat (prayer), and navigation. They agree that this branch of science is used in determining the beginning and end of the lunar months, e.g., that of Ramadan. As for astrology, this is considered by many Islamic scholars as haram (unlawful), as knowledge of the Unseen is known only by Allah(God). Dr. Husam al-Din Ibn Musa `Afana, a Professor of the Principles of Fiqh at Al-Quds University, Palestine, states the following: The Turkish government-sponsored "Diyanet Vakfı", which represents the official Sunni view, likewise draws a distinction between astronomy and astrology, identifying