It's pretty easy to refute. Jesus said that no man would know the day nor the hour, though he did say that you will know the season. His disciples had asked him what would be the signs of His return, and when would He restore the kingdom to Israel (the very thing our world leaders are trying to reverse right now - Gen. 12:3)?
He responded and gave them a description of the signs that will signal His near return. Normally, I would cite Matthew 24, but the same dialogue, or aspects of it, is also recorded in Mark 13 and Luke 21.
First he says, "See to it that you are not misled; for many will come in My name, saying, 'I am He,' and, 'The time is near.' Do not go after them. Luke 21:8 (NASB95)
He goes on to tell his disciples, "When you hear of wars and disturbances, do not be terrified; for these things must take place first, but the end does not follow immediately." Luke 21:9 (NASB95)
So he tells us here that when we see the wars and disturbances, not to be terrified, for the end does not follow immediately. Jesus continues,
10 Then He continued by saying to them, "Nation will rise against nation and kingdom against kingdom, 11 and there will be great earthquakes, and in various places plagues and famines; and there will be terrors and great signs from heaven. Luke 21:10-11 (NASB95)
Some think that here he was referring to Is. 19:2, which I've previously mentioned in this blog, when he tells them that "Nation will rise against nation and kingdom against kingdom." From here He warns them in vss. 12-19 of the persecution that is to precede and coincide all these events for those who follow His teaching
Then He tells how to discern that the end time is nigh for His return. Is it a time of prosperity and Israeli-Judeo renaisance? It's not. one of the key signs of Christ's soon return is that of Jerusalem being surrounded by armies. 20 "But when you see Jerusalem surrounded by armies, then recognize that her desolation is near.
Luke 21:20 (NASB95)
I've said before, "Israel is God's time-clock." By watching the nation of Israel, we can see the aproximate timing of things. Now about Harold Camping's prediction, because he said it, I know that it will not occur then, though that'd be great! It's the day after my birthday, and my wife's is May 22nd, so, it'd be the perfect birthday present! By Camping making this assertion, it just lends incredulity to the Christian truth, and it distracts earnest believers from the real task at hand.
The apostle Paul tells us that "our struggle is not against flesh and blood, but against the rulers, against the powers, against the world forces of this darkness, against the spiritual forces of wickedness in the heavenly places." Eph 6:12 (NASB95) This world in this last hour is being directed by demonic forces, guiding us all into a one-world system, one government, one currency and one religion (new age "oneness" spirituality). Many are still held captive in their sins, and are under condemnation, for they do not know Jesus Christ as their personal Lord and Savior. (Jn. 3:16-18)
A quick run-down on the end-time schedule. The scripture gives three end-time battles before the return of Christ in power and glory (Zech. 14:9). There will be the soon, maybe now forming battle of Ps. 83, against all the neighboring countries, the Philistines and descendents of Esau, who are mostly Muslim and out to destroy Israel. This battle is coming soon. Shortly following this, there will be an invasion against Israel, led by Russia (Magog) and Iran (Persia) against the quiet land of Israel. It will have other Muslim countries like Libya (Phut) and Sudan (Cush) involved in it. This will be the greatest display of YHWH's power since the days Israel fled Egypt under Moses. It should also be the final battle to end Islam, as the disillusioned Muslims drop the hateful teachings of their religion, as the goal of their religion (destruction of the Jews and global Caliphate) is not realized.
Hopefully many at this time will turn to Christ and to His saving grace, for the cleansing and forgiveness of their sins. It is not too early today, if you do not know Jesus as your personal Lord and Savior, you can place your trust in Him today. The Savior invites you, 28 "Come to Me, all who are weary and heavy-laden, and I will give you rest. 29 "Take My yoke upon you and learn from Me, for I am gentle and humble in heart, and YOU WILL FIND REST FOR YOUR SOULS. 30 "For My yoke is easy and My burden is light."
Matt 11:28-30 (NASB95)