... ….R’ Chanina said - on the twenty-fifth of Kislev the work of the tabernacle was completed, but it was left folded up until Nisan, as it is written "On the day of the first month, on the first of the month, you shall set up the Mishkan of the Tent of Meeting.” (Shemot 40:2) Israel were murmuring against Moshe saying ‘why wasn’t it erected immediately, maybe some flaw happened to it?’ The Holy One intended to mingle the joy of the tabernacle with the month in which Yitzchak was born, as it says “…knead and make cakes,” (Bereshit 18:6) and they said to him “…At the appointed time, I will return to you, at this time next year…” (Bereshit 18:14) Now because of this the month of Kislev, in which the work of the tabernacle was completed, lost out.
The Holy One said ‘it is incumbent upon Me to make restitution.’ What restitution did the Holy One make? The rededication of the Temple by the Hasmoneans, and so too the Holy One will compensate Marcheshvan in the future.