dui jane - both of them; kṛṣṇa-kathā - topics of Kṛṣṇa; kahe - speak; rātri-dine - day and night; parama-ānande - in great happiness; gela - passed; pāṅca-sāta dine - five to seven days.

Rāmānanda Rāya and Śrī Caitanya Mahāprabhu discussed Kṛṣṇa day and night, and thus they passed from five to seven days in great happiness.