Lord Krishna worshipped God for 7 months on Badari

कृष्णेन च कृतं नित्यं बदरीपर्वतोत्तमे |

पूजनं तु शिवस्यैव सप्तमासावधि स्वयं || 48 ||

 

And worship of Lord Shiva was done daily by Lord Krishna himself for a period of seven months on the best mountain Badari.