Exodus 12:6
12:6 You must care for it until the fourteenth day of this month, and then the whole community of Israel will kill it around sundown.
Exodus 12:8
12:8 They will eat the meat the same night; they will eat it roasted over the fire with bread made without yeast and with bitter herbs.
Exodus 12:18
12:18 In the first month, from the fourteenth day of the month, in the evening, you will eat bread made without yeast until the twenty-first day of the month in the evening.