Srimad Bhagavatam Canto 10, Chapter 14, Text 59

SB 10.14.59

etat te sarvam akhyatam
yat prsto ’ham iha tvaya
tat kaumare hari-krtam
paugande parikirtitam
 
Translation: 
 
Since you inquired from me, I have fully described to you those activities of Lord Hari that were performed in His fifth year but not celebrated until His sixth.
Srimad Bhagavatam Canto 10, Chapter 14, Text 58
Srimad Bhagavatam Canto 10, Chapter 14, Text 60