"This account originally appeared in a short work by Srila Bhaktivinoda Thakura entitled, 'Sri Caitanya Mahaprabhu: His Life and Precepts.' (dated 20th August 1896.)" This was taken from "Prologue" to "Teachings of Lord Caitanya" (A.C.Bhaktivedanta Swami Prabhupada. 1974. pages xiii-xxii.)
"Caitanya Mahaprabhu was born in Mayapur in the town of Nadia just after sunset on the evening of the 23rd Phalguna (1407 Sakadba), answering to the 18th of February 1486 of the Christian Era.