Numbers 9:1-3

Thomson(i) 1 Now in the second year after their coming out of the land of Egypt, in the first month, the Lord spoke to Moses in the wilderness of Sina, saying, 2 Give orders, and let the children of Israel keep the passover in its appointed season. 3 On the fourteenth day of this first month, towards evening, thou shalt celebrate it in its season. According to its rites, and according to its institution, thou shalt celebrate it.