@larom
No one can say when it will happen, and to prepare one's material life for this inevitability as if it will happen in our time is not what God commanded to do. It is beyond the scope of any human to know these things. Our universe is like a great big clock, but its mechanics can only be initially investigated with human machinations, from human intent. It cannot be understood the way it is known to God, His angels, or anything else of pure energy of which we are not, because we are here in this world.
I don't know personally about the Amish or the Mormons, but the latter have very warped eschatology based on warped cosmology further based on twisted theology.
I am familiar with Jehovah's Witnesses, and they do believe in this to an extreme degree. The JW's are notorious for their predictions, they believe that the 'end times' began in 1914 and that their version of Christ's coming will happen in 2034, something to do with 120 years, they compared it to Noah's warning to build the ark and then when the flood occurred. They have some good-hearted people, but seriously misled on theology and eschatology, even on the understanding of man from the beginning. They have purposely changed their "Bible" by substituting "Jehovah" into any verse that says "God" or "the Lord" or "the Lord God". They have essentially been a doomsday cult since 1914, but their origins are even further questionable. It is highly likely that the founder, Charles Taze Russell, was a freemason. However, JW's openly mock homos, don't believe in fighting in any dirty jew wars, and tend to be very family-traditional, but it begets another question, to what end? Their incompatibility with all government has led to them being ostracized in every country they are in, and then they have the audacity to complain about persecution everywhere. They, like evangelicals, ultimately reduce themselves to a non-entity in the greater war of Christendom versus Luciferian Talmuds, another splinter from the Apostle's tradition that is neither hot nor cold, but just there to lead people away from solutions.
CS Lewis said this I believe, "Man does not have a soul. Man is a soul. He has a body." In the scope of all time, things are different from age to age, today's plastic synthetic mediocre technology can be dangerous, and is used for evil ends, but don't forget that everything that ever is, ever was, and ever will be:
"What has been will be again, what has been done will be done again; there is nothing new under the sun." - Ecclesiastes 1:9.
The luciferian's faith in technology to bring about the antichrist, who is viewed as their messiah, is also another futile gesture of human pride and ego. Everything they built has been so fake, from the technology used for energy in the control grids we are tapped in to, the absolute mockery of food and bastardization of our sustenance, the garbage quality of craftsmanship which gets worse every year, all wrapped up under the veneer of progress and modernity covering their rotten fallen cores from their circle-jerk think tanks spewing out spiritual venom for all to imbibe.
There's an unhealthy obsession with the end times that distracts many Christians from doing their duty while we are in our bodies: Obey God, follow His commandments, stamp out satanism, demonism, degeneracy, and sin, and most importantly: build families. I know several Christians, Orthodox and Catholic who still buy into this lie of "why bring a child into this world if it's all going to end soon, if evil is supposed to win, etc.." their premises are nauseatingly defeatist. Who will raise the Children in the Church if the people in the Church are not having children? I have known several incredibly beautiful girls who grew up in these unusual God-fearing families, fearing so much that they dare not have a family due to armageddon allegedly being on their doorstep. They are post-wall now, and the emptiness in her was piercing the last time I saw one of the ones I knew in younger years.
It was such a shame to waste such loveliness of God's creation and to let it wither and become barren for a demonic lie. Their contrapositive argument was always something along the lines of "well if I have babies and armageddon happens then my babies will be dead," or some other phobia of how the children will be destroyed because of the times. We cannot control every injustice and act of horror that is perpetrated on children. Survival is not a game of chance, and not entirely up to divinity either. God gave us the most advanced tool in creation: the human mind, to use, to discern, to strategize, to build, to propagate, so that we could thrive. These women who refuse children in their child-rearing years and want to go preach ministries to impulsive cannibals around the world (which Mormon's have recently begun doing) would have been better off receiving the sacraments and going to a convent, yet their attachment to worldly lies permits them, in their minds, to go virtue signal in heathen lands that have been cast down with disease, plague, and demonic violence, and keep the family idea on the backburner. They are no different from careerist feminist shrikes who freeze their eggs and wait until 40 to find the best man to keep them entertained with money, and effervescent beverages, and pointless traveling.
There is a very dangerous cavalier attitude about the end of life, the end of all life, and the end of earth by these people, who I think, none have actually sat down and ran through complex series of introspective thoughts on the topic. This attitude is similar to the hedonic that was unleashed 60 years ago with the sexual revolution of the 1960s. These attitudes were no different spiritually than any judaic subterfuge which went hidden in every country following every expulsion. Therefore these attitudes must be expelled from all Christian societies, by either providing a just punishment for the behavior, or the people who engage in it, just like all the Marranos were sniffed out after the Reconquista. It doesn't have to be medieval, women should become mothers, nuns, or social pariahs, but men must also be fathers, guardians, and warriors operating under a historical Christian ethos.
If we are living in Christ, walking with Him as best we can, then it is irrelevant to our souls when these series of events happens, perhaps not to our bodies. That doesn't mean we must carry on without a material care, we must be cognizant of this mortal coil and its consequences for ourselves and others. However, if more people understood the beauty of sanctification as it was descended down from the Apostles, then they would not be purely distracted with living in their doomsday prepping and prayers only.
Also none of us know how much time is left on our own clocks; little clocks within a bigger clock, all under God's watch. No one can refuse the master's call, so stay close to Him, but also do not forsake your bonds and your duties while you are here. All politics and social standings may be null and void in the hereafter, but these things have matter and substance to them here when people work diligently to promote causes that genuinely help others and also form the basis of a society that lives, thrives, and grows on God's Word.
Much of eschatology is wrapped within layers of spiritual discernment most humans will never achieve. Everything in God's plan for man will happen in due time, when He ordains it, no earlier, no later.