Brihaspativar Vrat Katha is dedicated to Brihaspativar Dev (Jupiter). Bhraspativar or Brihaspatiwar or Thursday or गुरूवार or Guruvar, is dedicated to Vishnu and Bhraspati, the Guru of Devas. Thurdsay is also popularly known as Vrihaspativar or Guruvar. According to the hindu astrology Bhraspati is the name for the planet Jupiter, which is one of the Navagraha (the nine planets) . He is also known as Guru, Cura and Devaguru. Bṛhaspati is considered to be the most beneficial sign of any of the planets. It is believed that offering prayers on this day promotes greater learning and prosperity. Yellow is the color of the day.