<s>[INST] How is the zodiac circle divided in Tamil astrology?. [/INST] The zodiac circle is divided into 12 sections, each covering 30 degrees, which is further divided into 60 minutes (paakaigaL). Each of the 12 signs is 30 degrees or 1800 kalaigaL, and the entire zodiac circle consists of 1296000 vikalaigaL. </s>