The planet Jupiter is known as GURU or BRIHASPATI.The names mean, "teacher, lord of light, and teacher to the gods." Jupiter is a benefic planet, generally considered to be the most auspicious of the planets.Lord Guru is the son of sage Angirasa and Surupa. Brahaspathi (excellence in education and fine arts), Guru (Preceptor of the gods) is more powerful and provides knowledge and strength to a person and blesses devotees with strength, knowledge, longevity, and progeny, cures ailments of the stomach and wards off sins. Thursday is the favorable day for Lord Guru. It believed that Lord Guru is the father of north-east direction and is believed to be the distributor of justice and gives knowledge and capability to impart knowledge and provides peace to the worshipper.