Jupiter in Astrology

Gurur Brahmaa Gurur Vishnu
Gurur Devo Maheshwarah
Guru Saakshaata Parabrahma
Tasmai Shri Guruve Namah
The color of Jupiter is yellow. Thursday is his day, and north-east is his direction. He is big, old looking, and has a pot belly. One of his names is Guru, which means heavy (in weight) and also teacher.
We see nine planet In Indian astrology. The most important planet is Jupiter that is rule on the 9th and 12th house.jupiter predicts important aspect of our life like education ,wisdom and knowledge in astrology and religion.
It gives good and bad effect with conjoining planets Jupiter is a friendly planet but it gives bad effects with Venus and mercury
It gives good effects with sun, moon, and mars. It is a planet of expansion, growth and good fortune. Jupiter is best placed in Karka (Cancer) where is called exalted. Opposite from there, in Makara (Capricorn) it is least auspicious. Jupiter is lord of the signs Dhanus (Saggitarius) and Meena (Pisces) and also of the house. Jupiter aspects 3 signs, the 5th, 7th and 9th signs from its own position
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The very beneficial mantra for Jupiter:
Om Graam Greem Graum Sah Gurve Namah
Or, simply

Om Gurave Namah