It’s only 3000 years old.
The Word records of 6,000 years,
From Adam to Abraham:
Adam to Seth 130 years (Genesis 5:3)
Seth to Enos 105 years (Genesis 5:6)
Enos to Cainan 90 years (Genesis 5:9)
Cainan to Mahalaleel 70 years (Genesis 5:12)
Mahalaleel to Jared 65 years (Genesis 5:15)
Jared to Enoch 162 years (Genesis 5:18)
Enoch to Methuselah 65 years (Genesis 5:21)
Methuselah to Lamech 187 years (Genesis 5:25)
Lamech to Noah 182 years (Genesis 5:28-29)
Noah to the Flood 600 years (Genesis 7:6)
Flood to Arphaxad 2 years (Genesis 11:10)
Arphaxad to Salah 35 years (Genesis 11:12)
Salah to Eber 30 years (Genesis 11:14)
Eber to Peleg 34 years (Genesis 11:16)
Peleg to Reu 30 years (Genesis 11:18)
Reu to Serug 32 years (Genesis 11:20)
Serug to Nahor 30 years (Genesis 11:22)
Nahor to Terah 29 years (Genesis 11:24)
Terah to Abraham 70 years (Genesis 11:26)
So Adam to Abraham is 1948 years (This same genealogy is in Luke 3:34-38)
From Abraham to Egypt:
Abraham to Isaac 100 years (Genesis 21:5)
Isaac to Jacob 60 years (Genesis 25:26)
Jacob to Egypt 130 years (Genesis 47:28)
So Abraham to Egypt is 290 years
From Egypt to Exodus:
Jacob and his family went to Egypt
Jacob went to Egypt (Genesis 46:8,11)
Levi went to Egypt (Jacob's son) (Genesis 46:8,11)
Kohath went to Egypt (Levi's son) (Genesis 46:8,11)
Kohath had a son named Amram (Exodus 6:18)
Amram had a son named Moses (Exodus 6:20)
Moses to the Exodus 80 years (Exodus 7:7, Acts 7:21-23, 29-30)
From Egypt to Exodus: X = (Kohath to Amram to Moses + 80)
In Wilderness 40 years (Numbers 32:13,
Wilderness to death Joshua 30 years (Joshua 14:7,10, 24:29)
Exodus to death Joshua is 70 years
The Period of Judges:
Under King Cushanrishathaim 8 years (Judges 3:8)
Under Othniel 40 years (Judges 3:10-11)
Under King Eglon 18 years (Judges 3:14)
Under Ehud 80 years (Judges 3:15,30)
Under King Jabid 20 years (Judges 4:1-3)
Under Deborah 40 years (Judges 4:4, 5:31)
Under Midianites 7 years (Judges 6:1)
Under Gideon 40 years (Judges 6:7, 8:22,28)
Under Abimelech 3 years (Judges 8:32-35, 9:22)
Under Tola 23 years (Judges 10:1-2)
Under Jair 22 years (Judges 10:3)
Under Ammonites 18 years (Judges 10:5-8)
Under Jephthah 6 years (Judges 12:7)
Under Ibzan 7 years (Judges 12:8-9)
Under Elon 10 years (Judges 12:11)
Under Abdon 8 years (Judges 12:13-14)
Under Philistines 40 years (Judges 13:1)
Under Samson 20 years (Judges 13:24, 15:20, 16:30-31)
Under Eli/Samuel 40 years (I Samuel 4:15,18, 7:15, 8:1,4-7,19-22, 9:1-2)
So Judges to Samuel is 450 years (Acts 13:20)
The Period of the kings of Judah:
Under King Saul 40 years (Acts 13:21)
Under King David 40 years (I Chron 29:26-27)
Under King Solomon 40 years (I Kings 11:42-43)
Under King Rehoboam 17 years (I Kings 14:21)
Under King Abijam 3 years (I Kings 14:31,15:1-2)
Under King Asa 41 years (I Kings 15:8-10)
Under King Jehoshaphat 25 years (I Kings 22:41-42,50)
Under King Jehoram 8 years (II Chron 21:5)
Under King Ahaziah 1 yr (II Chron 22:1-2)
Under Queen Athaliah 6 years (II Chron 22:10-12)
Under King Joash 40 years (II Chron 23:13,15, 24:1)
Under King Amaziah 29 years (II Chron 25:1)
Under Uzziah 52 years (II Chron 26:3)
Under Jotham 16 years (II Chron 27:1)
Under Ahaz 16 years (II Chron 28:1)
Under Hezekiah 29 years (II Chron 29:1)
Under Maasseh 55 years (II Chron 33:1)
Under Amon 2 years (II Chron 33:20-21)
Under King Josiah 31 years (II Chron 34:1)
Under King Jehoahaz 3 mon (II Chron 36:1-2)
Under King Jehoiakim 11 years (II Chron 36:3-7)
Under King Jehoiachin 3 mon (II Chron 36:9)
Under King Zedekiah 11 years (II Chron 36:11-21)
So the period of the kings of Judah are 513 years
SUMMARY OF THE TIME FROM ADAM TO YAHSHUA
Adam to Abraham 1948 years
Abraham to Egypt 290 years
From Egypt to Moses: (X=Kohath to Amram to Moses) X = 63 years
Moses to the Exodus 80 years
Exodus to death Joshua 70 years
Judges to Samuel 450 years (Acts 13:20)
Kings of Judah 513 years
Babylonian Captivity 586 BCE
So from Adam to Yahshua is 4000 years