Ezekiel 45:18

45:18 “‘This is what the sovereign Lord says: In the first month, on the first day of the month, you must take an unblemished young bull and purify the sanctuary.

Ezekiel 45:21

45:21 “‘In the first month, on the fourteenth day of the month, you will celebrate the Passover, and for seven days bread made without yeast will be eaten.