You can begin to see how these Fall Feasts tie into the Second Coming of the LORD as we know the Trumpet will sound one day and at that time we will stand before the LORD. These Fall Feasts cover a time period from the beginning of the New Moon as discussed in the Rosh Hashanna blog and continue on to 15 days later at the Full Moon which is only about 7 days away. The final Fall Feast is known as the Feast of Tabernacles and ALWAYS is on the full moon.
The Day of Atonement is still considered the most Holy Day of the year to the Jews although we know as Christians that every day is a Holy Day. Before the First Coming of Jesus Christ, the Day of Atonement was the only day of the year that the High Priest could enter into the Holy of holies to intercede for the nations. The high priest had to be cleansed of his sins and specially prepared to enter into the Holy of holies and meet with God on this day.
Since the Blood of the True Lamb was shed almost 2000 years ago every believer has the ability to enter into this Most Holy Place throughout the year and the Word of God instructs us to enter in without fear into the Presence of God.
Hebrews 10:19 Having therefore, brethren, boldness to enter into the holiest by the blood of Jesus.
A good study of the way the Tabernacle of Moses was constructed and operated in the physical will help to understand how the Temple of God now operates in the Spiritual. Moses was instructed to build the tabernacle exactly as he had been shown by God to build it. The Tabernacle of Moses was a physical picture of what was soon to become a spiritual reality.
God Bless you! and be sure to tell someone on the job about JESUS!