1 Corinthians 15:52

in a moment, in the twinkling of an eye, at the sounding of the last trumpet; for the trumpet will sound, and the dead will be raised incapable of decay, and *we* shall be changed.

1 Thessalonians 4:16

For the Lord Himself will come down from Heaven with a loud word of command, and with an archangel's voice and the trumpet of God, and the dead in Christ will rise first.

Treasury of Scripture Knowledge

Summary

Speak unto the children of Israel, saying, In the seventh month, in the first day of the month, shall ye have a sabbath, a memorial of blowing of trumpets, an holy convocation.

Bible References

In the seventh

1 Corinthians 15:52
in a moment, in the twinkling of an eye, at the sounding of the last trumpet; for the trumpet will sound, and the dead will be raised incapable of decay, and *we* shall be changed.
1 Thessalonians 4:16
For the Lord Himself will come down from Heaven with a loud word of command, and with an archangel's voice and the trumpet of God, and the dead in Christ will rise first.