House No. 9 is known as 'the commencement of luck'. Lucky period of the native shall start, good or bad, when the planet in this house becomes effective. The house is considered to be a great ocean. In case the house is inert, it can be activised through 2nd house if the other two houses namely the houses 3 and 5 are unoccupied. Any of the planets who has been dormant till he transits 9th house and becomes active he will give results at his own age till his period is completed. Every planet has been assigned a particular period of age. By way of illustration, if Jupiter is in house 2 and transits the house in the progressed chart he will give results at the age of 16 and continue to do so till 16 years. Planets in 5th house aspect the planets in house 9. If Sun or Moon occupy house 9 there will be no bad effects of even Rahu and Ketu. House No. 9 is the seat of Jupiter.