Well that passage I quoted literally says "born again" and explains it, so while there are a number of passages on this topic I believe that to be one of the most if not the most descriptive...
Also the passage you quoted all you have to do is read one more verse:
John 5:24-29,24 “Truly, truly, I say to you, he who hears My word and believes in Him who sent Me possesses everlasting life, and does not come into judgment, but has passed from death into life."25 “Truly, truly, I say to you, the hour is coming, and now is, when the dead shall hear the voice of the Son of Elohim. And those having heard shall live."26 “For as the Father possesses life in Himself, so He gave also to the Son to possess life in Himself,"27 and He has given Him authority also to do judgment, because He is the Son of Aḏam."28 “Do not marvel at this, because the hour is coming in which all those in the tombs shall hear His voice,"29 and shall come forth – those who have done good, to the resurrection of life, and those who have practised evil matters, to a resurrection of judgment."
how is it that "the hour is coming, and now is, when the dead shall hear the voice of the Son of Elohim"
the "the hour is coming" is this
Mat 24:29-31, "Immediately, but after the tribulation of those days will the sun be darkened, and the moon will not give her light, and the stars will fall from heaven, and the powers of the heavens will be shaken. And then will appear the sign of the Son of Man in heaven; and then will all the tribes of the earth mourn, and they will see the Son of Man coming in the clouds of heaven with power and great glory. And He will send His malakim with a great sound of a trumpet, and they will gather together His elect from the four winds, from one end of earth to the other."
the "now is" is this
Matthew 27:50-53,50 And יהושע cried out again with a loud voice, and gave up His spirit."51 And see, the veil of the Dwelling Place was torn in two from top to bottom, and the earth was shaken, and the rocks were split,"52 and the tombs were opened, and many bodies of the set-apart ones who had fallen asleep were raised,"53 and coming out of the tombs after His resurrection, they went into the set-apart city and appeared to many."
these are the :
Rev 4:4 And around the throne were twenty-four thrones, and on the thrones I saw twenty-four elders sitting, dressed in white robes. And they had crowns of gold on their heads."