nīlāmbara cakravartī - Nīlāmbara Cakravartī; kahila - said; gaṇiyā - by astrological calculation; ei māse - in this month; putra - son; habe - will take birth; śubha-kṣaṇa - auspicious moment; pāñā - taking advantage of.

Nīlāmbara Cakravartī [the grandfather of Śrī Caitanya Mahāprabhu] then did an astrological calculation and said that in that very month, taking advantage of an auspicious moment, the child would take birth.