Brahaspativar Vrat Katha is dedicated to God Vishnu and God Brahaspatidev (Jupiter). Thursday is the day of God Vishnu or God Brahaspati Dev. Thursday is also popularly known name in Hindi as Brahaspativar (Brihaspativar) or Guruvar (Guruvaar). Brahaspati (Jupiter) is the Guru of Devtas. and Everyone known that Jupiter is the very big Planet. According to the Hindus Astrology Brahaspati (Jupiter) is play a very importnat role in Human Nature as Wealth, Health, family, sun or luck etc. So every one should be worship of God Brahaspati Dev / God Vishnu on thursday.