2 Chronicles 30

15 On the fourteenth day of the second month, one month later than usual,*30:15 Hebrew On the fourteenth day of the second month. Passover normally began on the fourteenth day of the first month (see Lev 23:5). the people slaughtered the Passover lamb. This shamed the priests and Levites, so they purified themselves and brought burnt offerings to the Temple of the Lord.