The Eternal One spoke to Moses, saying: "Command Aaron and his sons thus: This is the ritual of the burnt offering: The burnt offering itself shall remain where it is burned upon the altar all night until morning, while the fire on the altar is kept going on it." - Leviticus 6:1-2
Passover (Pesach in Hebrew) is a major Jewish spring festival, celebrating freedom and family as we remember the Exodus from Egypt more than 3,000 years ago.
Thus the Eternal delivered Israel that day from the Egyptians. - Exodus 14:30
Yom HaShoah, also known as Holocaust Remembrance Day, occurs on the 27th of the Hebrew month of Nisan.
On the eighth day Moses called Aaron and his sons, and the elders of Israel. - Leviticus 9:1