Vaishnava Samhita. Premanidhi Charitam. Vol III Book VI Chp 19 Shloka 12

आदित्यस्योदयात्पूर्वमादाय यमुनाजलम्  |
दद्याद्गोविन्दपूजायै नियमोsयं महात्मनः  ||

That exalted personality followed the routine of bringing Yamuna water for the sake of the pooja of Shri Govinda, before sunrise everyday.