Numbers 28:17 KJV

And in the fifteenth day of this month is the feast: seven days shall unleavened bread be eaten.

Offerings at the passover, and on the day of first-fruitsBy the sacrifices enjoined in this chapter, we are reminded of the continued power of the sacrifice of Christ, and of our continual need to depend thereon....

Leviticus 23:6 And on the fifteenth day of the same month is the feast of unleavened bread unto the LORD: seven days ye must eat unleavened bread.
Exodus 12:15–17 Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses: for whosoever eateth leavened bread from the first day until the seventh day, that soul shall be cut off from Israel. …
Exodus 13:6 Seven days thou shalt eat unleavened bread, and in the seventh day shall be a feast to the LORD.
Exodus 23:15 Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)
Exodus 34:18 The feast of unleavened bread shalt thou keep. Seven days thou shalt eat unleavened bread, as I commanded thee, in the time of the month Abib: for in the month Abib thou camest out from Egypt.
Deuteronomy 16:3–8 Thou shalt eat no leavened bread with it; seven days shalt thou eat unleavened bread therewith, even the bread of affliction; for thou camest forth out of the land of Egypt in haste: that thou mayest remember the day when thou camest forth out of the land of Egypt all the days of thy life. …

From OpenBible.info, most relevant first.

And in the fifteenth וּבַחֲמִשָּׁה ûbaḥămiššâ חָמֵשׁ Number · feminine singular · with and, preposition עָשָׂר ʿāśār עָשָׂר Number · masculine singular
day יוֹם yôm יוֹם Noun · masculine singular
of this month לַחֹדֶשׁ laḥōdeš חֹדֶשׁ Noun · masculine singular · with preposition with the הַזֶּה hazzê Pronoun · with the
the feast חָג ḥāg חַג Noun · masculine singular
seven שִׁבְעַת šibʿat שֶׁבַע Number · masculine singular construct
days יָמִים yāmîm יוֹם Noun · masculine plural
shall unleavened bread מַצּוֹת maṣṣôt מַצָּה Noun · feminine plural
be eaten יֵאָכֵל yēʾākēl אָכַל Verb · niphal imperfect, third person masculine singular

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