Tuesdays and Saturdays are considered Primarily auspicious for Hanuman worship, as lately are linked to his power and skill to thrust back malefic influences. जीवेद्वर्षशतं सोपि सर्वव्याधिविवर्जितः॥ In hanuman chalisa the siddhi phrase means that man or woman has attained this sort of qualities by developing himself into ideal self https://bigboxdirectory.com/listings764560/hanuman-fundamentals-explained