Christ’s once-for-all entry into the true holy place fulfills the Day of Atonement; the old annual rite ends with the covenant that required it.
On the Day of Atonement the high priest entered the Most Holy Place once a year with blood not his own, making covering for himself and the people (Leviticus 16). Hebrews says these gifts and sacrifices cannot perfect the conscience of the worshiper; they deal only with food, drink, and various washings — regulations for the body imposed until the time of reformation (Hebrews 9:9–10).
Christ appeared as High Priest of the good things that have come. He entered once for all into the holy places, not by means of the blood of goats and calves but by means of His own blood, securing eternal redemption (Hebrews 9:11–12).
The repetition of the old Day of Atonement was a reminder of sins every year (Hebrews 10:3). Christ’s single offering perfects for all time those who are being sanctified (Hebrews 10:14). Where there is forgiveness of these, there is no longer any offering for sin (Hebrews 10:18).
That is the final Day of Atonement in substance. No annual return to the veil is required. The veil is opened; the way is new and living.
Not year after year. Once. Eternal redemption.
The shadow calendar yields to the finished work of the true High Priest.
When the Temple burned, the ritual Day of Atonement could no longer be performed as Moses prescribed. The copy stopped. The reality had already been accomplished at the cross and announced as the new and living way. The destruction of the house removes the temptation to treat the shadow as still obligatory.
You do not wait for a restored holy of holies to be forgiven. Full atonement is present tense in Christ. Conscience is to be sprinkled clean from an evil conscience and the body washed with pure water — drawing near is the call now (Hebrews 10:19–22).