In Matthew 24:29-31, Jesus describes what is commonly known as the "The Coming of the Son of Man":
29 “Immediately after the tribulation of those days the sun will be darkened, and the moon will not give its light, and the stars will fall from heaven, and the powers of the heavens will be shaken. 30 Then will appear in heaven the sign of the Son of Man, and then all the tribes of the earth will mourn, and they will see the Son of Man coming on the clouds of heaven with power and great glory. 31 And he will send out his angels with a loud trumpet call, and they will gather his elect from the four winds, from one end of heaven to the other. [ESV]
As you probably noticed, I boldened the phrase "with a loud trumpet call" (v31), which I find strikingly similar to what Paul describes as a mystery in 1 Corinthians 15 (ESV):
50 I tell you this, brothers: flesh and blood cannot inherit the kingdom of God, nor does the perishable inherit the imperishable. 51 Behold! I tell you a mystery. We shall not all sleep, but we shall all be changed, 52 in a moment, in the twinkling of an eye, at the last trumpet. For the trumpet will sound, and the dead will be raised imperishable, and we shall be changed. 53 For this perishable body must put on the imperishable, and this mortal body must put on immortality. 54 When the perishable puts on the imperishable, and the mortal puts on immortality, then shall come to pass the saying that is written:
“Death is swallowed up in victory.” 55 “O death, where is your victory? O death, where is your sting?”
56 The sting of death is sin, and the power of sin is the law. 57 But thanks be to God, who gives us the victory through our Lord Jesus Christ.
58 Therefore, my beloved brothers, be steadfast, immovable, always abounding in the work of the Lord, knowing that in the Lord your labor is not in vain.
Were Jesus and Paul describing the same event? If so, when will (or did) this event happen?
Related, and probably relevant: Is there any interpretative room for considering the prophetic predictions of Matthew 24:29-31 as already fulfilled?