Every 3rd friday of the month. Prayer is the means by which people communicate with God, The earnest heartfelf, continued prayer of a Righteous man makes tremendous power available, dynamic in its working.  James5:16b, Elijah was a man with a nature like ours, and he prayed earnestly that it would not rain; and it did not rain on the land for 3 years and six months, and he prayed again, and the heaven gave rain, and the earth produced its fruit. James 5:17-18