Hebrews 7:8 The Holy Ghost this signifying, that the way into the holiest of all was not yet made manifest, while as the first tabernacle was yet standing:
Hebrews 7
11 But Christ being come an high priest of good things to come, by a greater and more perfect tabernacle, not made with hands, that is to say, not of this building;
12 Neither by the blood of goats and calves, but by his own blood he entered in once into the holy place, having obtained eternal redemption for us.
19 Having therefore, brethren, boldness to enter into the holiest by the blood of Jesus,
Hebrews 9:23,24
So, if Hebrews say that Jesus already entered in and believers can also enter in by His blood, but Ellen G. White says it was in 1844.
Who should I believe?
Her "prophecies" must be subject to the inspired word of God and not used as a continuing source of authority.
It's hard to understand the word of God when it is filtered by the word of a woman, which is why we're not allow women to teach.
Indeed, please re-read the text you cited. Sister White was not the one who originated 1844. That was a calculation that came from Bible study in the prophecies in Daniel and Revelation long before sister White. Also, Seventh-day Adventists, and sister White, have never taught Jesus entered into the "holy palce" in AD 1844.
Heb 9:3 And after the second veil, the tabernacle which is called the Holiest of all;
Heb 9:4 Which had the golden censer, and the ark of the covenant overlaid round about with gold, wherein was the golden pot that had manna, and Aaron's rod that budded, and the tables of the covenant;
Heb 9:5 And over it the cherubims of glory shadowing the mercyseat; of which we cannot now speak particularly.
Heb 9:6 Now when these things were thus ordained, the priests went always into the first tabernacle, accomplishing the service of God.
Heb 9:7 But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:
Heb 9:8 The Holy Ghost this signifying, that the way into the holiest of all was not yet made manifest, while as the first tabernacle was yet standing:
The Most Holy Place, or the "holiest of all" was not yet made "manifest" (revealed, or open for service) while the first compartment was in service ("standing") by the High Priest. When Jesus Christ ascended, he went into the "holy place", not Most Holy place, in AD 31.
Heb 9:12 Neither by the blood of goats and calves, but by his own blood he entered in once into the holy place, having obtained eternal redemption for us.
In AD 1843/44 is when Jesus moved from Holy place (Revelation 1 & 4) to Most Holy place (Daniel 7:13; Revelation 3:10, a door closes (holy place) and a door opens (most holy place)).
You have mistaken what sister White and what a Seventh-day Adventist believes, and mistaken what the text of scripture itself says. Please consider it again. Go back to the type, in Lev. and then see the antiype in Rev.
Jesus, in AD 31, from Olivet entered the "holy place" or first compartment of the Sanctuary and had to do service therein in Heaven, before he could enter into the "most holy place" to complete the final antitypical day of Atonement (Dani. 8:13-14,26 & Rev. 9:13-15, 10:6, 14:6-12).
Spring Feasts:
Passover: Leviticus 23:5 [Jesus dies AD 31, First Month - Abib/Nisan 14th, the 6th Day, 3 PM]
Feast of Unleavened Bread: Leviticus 23:6-8 [Jesus in the Tomb, Abib/Nisan 15th, the 7th Day]
Feast of Firstfruits [Wave Sheaf]: Leviticus 23:10-14 [Jesus resurrected, Abib/Nisan 16th, 1st day]
Pentecost [Feast of Weeks]: Leviticus 23:15-22 [Jesus, in the Holy Place, pouring of the Holy Spirit, Acts 1-3, etc Revelation 5:6; Psalms 133:1-3, etc]
Long Summer [Rev. 9:5,6,10]
Fall Feasts:
Feast Of Trumpets: Leviticus 23:24-25 [Jesus, announcing coming Judgment, about to move, the bell is heard, 1833/4, Miller goes forward, Advent movement, Revelation 9:5,6,10; Genesis 7:24, 8:3; Luke 1:24 - “5 months”, etc]
Day Of Atonement: Leviticus 23:27-32 [Jesus in the Most Holy Place, 1843/44, specifically Oct 22 1844, the bell is heard, Jesus and Father moved from Holy to Most Holy in Heavenly Sanctuary; Daniel 7:9-10,13,22, 8:13-14,26; Revelation 9:13-15, 10:1-6, 14:6-7] KJB
Feast of Booths/Tabernacles/Ingathering: Leviticus 23:34-43 [Harvest, and on into Millennium and then into eternity; Revelation 7:9, 14:13-20, 15:2]
We need to consider that the anti-typical/reality of the Feast of Trumpets, the Day of Atonement and the feast of Tabernacles/Booths/Ingathering
cannot have happened in AD 31 at the Crucifixion of Jesus, at the death of Jesus thereon, at the burial of Jesus, at the resurrection of Jesus, at the ascension of Jesus, or even up to the time of AD 34, or AD 70, but could only take place long after those events, in connection with the 2,300, which the 70 weeks of Daniel 9 were simply a small part of, as is the 1,260, 1,290 and 1,335.
See Hebrews 9:2-3:
For there was a tabernacle made; the first, wherein was the candlestick, and the table, and the shewbread; which is called the sanctuary. Hebrews 9:2
And after the second veil, the tabernacle which is called the Holiest of all; Hebrews 9:3
Paul is clear about the typology, First comes the First {part of the} Tabernacle, wherein was the Candlestick and the Table, even along with the Altar of Incense:
Now when these things were thus ordained, the priests went always into the first tabernacle, accomplishing the service of God. Hebrews 9:6
Where is Jesus standing in Acts 7 {part of the Church of Ephesus} and where is He seen walking in Revelation 2:1?
Unto the angel of the church of Ephesus write; These things saith he that holdeth the seven stars in his right hand, who walketh in the midst of the seven golden candlesticks; Revelation 2:1
Which of the two compartments of the Tented Sanctuary is that? It is verily the First, not the Second. Hebrews 9:12 {as also vs 24
"agia" and vs 25,
"ta agia"} simply reads
ta agia, which is the Sanctuary, and
not agia agion, the Holy of Holies.
Nor yet that he should offer himself often, as the high priest entereth into the holy place every year with blood of others; Hebrews 9:25
Paul is very clear about the separation of the two veils. It never says Jesus entered through the Second Veil, and did not then need to at His 2nd Ascension, being from the Mt of Olives. We see Jesus ascending in Psa 24 and compare Rev 4 and 5 {compare to Acts 1-2 and Psa 133; Exo 29:7; Lev 8:12; also needed to be 12, Exo 28:21-22, 29:5, 39:14; then the Holy Spirit was sent - Rev 5:6}. Rev 4 speaks of the First Veil:
After this I looked, and, behold, a door was opened in heaven: and the first voice which I heard was as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter. Revelation 4:1
Thus John is taken in the Holy Place, the First 'Tabernacle' of Heaven, revealing the 7 lamps which sat directly across from {before} the Table of Shewbread which was Crowned, and had two stacks, representing the Throne of God in the Holy Place:
And out of the throne proceeded lightnings and thunderings and voices: and there were seven lamps of fire burning before the throne, which are the seven Spirits of God. Revelation 4:5
Revelation 3:8, in the period of the 6th Church, thousand{s} of years {1800+ yrs} later from the First Church of Ephesus, another door/veil is seen opened in Heaven, while the first was closed, and this is also witnessed in Daniel:
And to the angel of the church in Philadelphia write; These things saith he that is holy, he that is true, he that hath the key of David, he that openeth, and no man shutteth; and shutteth, and no man openeth; Revelation 3:7
I know thy works: behold, I have set before thee an open door, and no man can shut it: for thou hast a little strength, and hast kept my word, and hast not denied my name. Revelation 3:8
I saw in the night visions, and, behold, one like the Son of man came with the clouds of heaven, and came to the Ancient of days, and they brought him near before him. Daniel 7:13
Take Daniel 8:13-14,26, compare to Daniel 9:25, with Ezra 6:14, 7:1-28 and Revelation 10:1-6, and the scenes of Revelation in tandem with Daniel and Hebrews, the conclusion is inescapable. The 7th Year of Artaxerxes I Longimanus./Machrocheir was in 457 BC, go from there, 2,300. Go from there (457 BC) and count 70 weeks.