Komentaryo sa Deuteronomio 16:1: Rashi, Chizkuni, Ramban & Ibn Ezra

שמור את חדש האביב WATCH THE MONTH OF ABIB — This means: Before it comes watch whether it will be capable of producing ripe ears (אביב), so that one may offer the Omer meal-offering during it, and if not (i.e. if you observe that the ears will not be ripe by the 16th of Nisan), then intercalate the year (i.e. add a month to the winter-period, so that the month Abib falls later than it otherwise would, by which time the ears will be ripened) (cf. Sanhedrin 11b and Note 4 on p. 191 of Leviticus in the Silbermann edition of the Pentateuch).

שמור, “wait until the month of spring.” The month of Nissan is called the month of spring, as the spring equinox occurs always during that month.

KEEP THE MONTH OF AVIV. The commandment of the festivals [mentioned here] is explanatory, for He has already mentioned it. Now, in the Book of Leviticus He mentioned with reference to the festivals, And ye shall bring an offering made by fire unto the Eternal,³¹⁴Leviticus 23:8. but here he did not mention them [the offerings] at all. Instead he commanded Israel to ascend on their account [to celebrate the festivals] to the place which He will choose, and rejoice before Him. For just as he commanded that one bring the Second Tithe before G-d,³¹⁵Above, 14:23. and also the firstling,³¹⁶Ibid., 15:19. and eat them there in the place that G-d will choose, he added [here] to make it clear that they will all be further obligated to come before G-d and celebrate before Him on three festivals and rejoice with the peace-offerings that they will offer before Him. Now he did not mention the times of the Festivals of Unleavened Bread and Tabernacles on which dates they occur, but he briefly mentioned their months, for He had already stated everything there.³¹⁷Leviticus 23:4-43.

ממצרים לילה [FOR IN THE MONTH OF ABIB THE LORD THY GOD BROUGHT THEE FORTH] FROM EGYPT BY NIGHT — But did they not go forth by day , as it is said, (Numbers 30:3) “on the morrow after the Passover the children of Israel went out … [in the sight of all the Egyptians]”? But it states that they went out by night because Pharaoh gave them permission to go forth by night, as it is said, (Exodus 12:31) “And he called for Moses and Aaron by night, [and said, Rise up, go forth from among my people etc.]” (cf. Sifrei Devarim 128:5; Berakhot 9a).