The Age of The Earth

No one knows the exact age of the earth. No Living person was alive at the beginning of time when heaven and earth were created.
Different calculations have been made from six thousand plus years to four and half plus billion years. The truth is no one knows.
Scientists don't know. Historians don't know. Archaeologists and Geologists don't know. All they can do is make what they call "educated guesses". 
When was "The Beginning" ? 
The Holy Bible says that "In the beginning GOD created the heaven and the earth." #Genesis 1:1 The universe ( i.e. the sun, the moon, the planets including planet earth, the stars, the asteroids and meteors and the galaxies ... the universe was created way back in the beginning.
Time as we know it i.e. a twenty four hour day only began on the evening and the morning of the first day [ #Genesis 1:5 ] i.e. after heaven and earth were created way back in the beginning.
When we read #Genesis 1:2 we see that earth was in darkness and that the earth was void and that the earth was covered with water. See #Genesis 1:2 ....

For GOD so loved the world that He gave His one and only Son , #John 3:16

By The Grace of GOD made manifest in His Son Yeshua Ha-Mashiach The Lord Jesus Christ, I am Saved by The Grace of YHWH GOD manifested in His Only Begotten Son Yeshua Ha-Mashiach [ The Lord Jesus Christ ]. Yeshua Ha-Mashiach The Lord Jesus Christ is The Only Right True Living Way to Heaven. Yeshua Ha-Mashiach is The Way, The Truth and The Life. The Holy Bible is The Only Holy Book that correctly reveals The Deity and The Humanity of Yeshua Ha-Mashiach.... The Holy Bible is Our Absolute. There are no contradictions in The Holy Bible. "For GOD so loved the world that He gave His one and only Son, that whoever believes in Him shall not perish but have Eternal Life." - #John 3:16 ...

#Romans 7:19-25 King James Version (KJV)

The sin nature is present in everyone born in sin, born of sexual desire.

That is the reason we have to be Born Again. 

As a new creation in Christ Jesus, our desire changes from the earthly to the heavenly. We desire to do good but we are still in this body of flesh, 

This body of flesh is a mortal tabernacle of flesh a body of sin and body of death.

Within this tabernacle of clay dwells our redeemed souls that desires to do good. Our souls have been born again ".. by receiving with meekness the en grafted Word of GOD...".

 19 For the good that I would I do not: but the evil which I would not, that I do.

20 Now if I do that I would not, it is no more I that do it, but sin that dwelleth in me.

21 I find then a law, that, when I would do good, evil is present with me.

22 For I delight in the law of God after the inward man:

23 But I see another law in my members, warring against the law of my mind, and bringing me into captivity to the law of sin which is in my members.

24 O wretched man that I am! who shall deliver me from the body of this death?

25 I thank God through Jesus Christ our Lord. So then with the mind I myself serve the law of God; but with the flesh the law of sin.