The month of shravan, kartik, margshirsh and paush of Hindu calendar are the most suitable time for the pujan of land. It is necessary to worship the land before construction work starts. Be careful while selecting the time for puja.Monday and Thursday proves to be the best day for puja. One should also avoid the adhik maas, the zero month, lunar month and sunset.The bhoomi pujan ceremony is conducted in strict conformance to vastu shastra. By performing this puja, one can appease the positive energies and natural elements surrounding the site. A correct time is chosen in accordance to vaastu muhurut, the time when vaastu purush is in its full strength.