Time of the Second Coming Unknown

Mt 24:44 Wherefore be you also ready, because at what hour you know not the Son of man will come.
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Mt 25:13 Watch ye therefore, because you know not the day nor the hour.
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Mk 13:35-37
Mk 13: 35 Watch ye therefor, (for you know not when the lord of the house cometh: at even, or at midnight, or at the cockcrowing, or in the morning,)
Mk 13:36 Lest coming on a sudden, he find you sleeping.
Mr 13:37 And what I say to you, I say to all: Watch.
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Lk 12:46 The lord of that servant will come in the day that he hopeth not, and at the hour that he knoweth not, and shall separate him, and shall appoint him his portion with unbelievers.
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1 Thess 5:2-3
1 Thess 5:2 For yourselves know perfectly, that the day of the Lord shall so come, as a thief in the night.
1 Thess 5:3 For when they shall say, peace and security; then shall sudden destruction come upon them, as the pains upon her that is with child, and they shall not escape.
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2 Pet 3:9-10
2 Pet 3: 9 The Lord delayeth not his promise, as some imagine, but dealeth patiently for your sake, not willing that any should perish, but that all should return to penance.
2 Pet 3:10 But the day of the Lord shall come as a thief, in which the heavens shall pass away with great violence, and the elements shall be melted with heat, and the earth and the works which are in it, shall be burnt up.
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Rev 3:3 Have in mind therefore in what manner thou hast received and heard: and observe, and do penance. If then thou shalt not watch, I will come to thee as a thief, and thou shalt not know at what hour I will come to thee.
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Mt 24:36 But of that day and hour no one knoweth, not the angels of heaven, but the Father alone.