Srimad Bhagavatam Canto 10, Chapter 28, Text 01

SB 10.28.1

sri-badarayanir uvaca
 ekadasyam niraharah
 samabhyarcya janardanam
snatum nandas tu kalindyam
 dvadasyam jalam avisat
 
Translation: 
 
Sri Badarayani said: Having worshiped Lord Janardana and fasted on the Ekadasi day, Nanda Maharaja entered the water of the Kalindi on the Dvadasi to take his bath.
Srimad Bhagavatam Canto 10, Chapter 28, Text 02