On Yuan Chwang's Travels in India, 629–645 A.D. v2.c17.s2.19

v2.c17.s2.19

The pilgrim next mentions incidentally that accounts varied as to the age of the P'usa when he went out from home, some making him nineteen, and some twenty nine years old at the time. So also, he tells us, authorities differed as to whether it was on the 8th or the 15th day of the second half of the month Visakha that the Prince left his home to begin the religious life.