1 Corinthians 15:52

in a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.

1 Thessalonians 4:16

For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the trumpet of God; and the dead in Christ shall 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 last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
1 Thessalonians 4:16
For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the trumpet of God; and the dead in Christ shall rise first: