Leviticus 23:24
“Speak to the Israelites and say, ‘On the first day of the seventh month you are to have a day of rest, a sacred assembly announced by trumpet blasts.

Numbers 10:10
And on your joyous occasions, your appointed feasts, and the beginning of each month, you are to blow the trumpets over your burnt offerings and peace offerings to serve as a reminder for you before your God. I am the LORD your God.”

Numbers 29:1
“On the first day of the seventh month, you are to hold a sacred assembly, and you must not do any regular work. This will be a day for you to sound the trumpets.

2 Chronicles 5:12-13
all the Levitical singers—Asaph, Heman, Jeduthun, and their sons and relatives—stood on the east side of the altar, dressed in fine linen and playing cymbals, harps, and lyres, accompanied by 120 priests sounding trumpets. / The trumpeters and singers joined together to praise and thank the LORD with one voice. They lifted up their voices, accompanied by trumpets, cymbals, and musical instruments, in praise to the LORD: “For He is good; His loving devotion endures forever.” And the temple, the house of the LORD, was filled with a cloud

Nehemiah 8:15
and that they should proclaim this message and spread it throughout their towns and in Jerusalem, saying, “Go out to the hill country and bring back branches of olive, wild olive, myrtle, palm, and other leafy trees, to make booths, as it is written.”

Isaiah 27:13
And in that day a great ram’s horn will sound, and those who were perishing in Assyria will come forth with those who were exiles in Egypt. And they will worship the LORD on the holy mountain in Jerusalem.

Ezekiel 46:1
“This is what the Lord GOD says: ‘The gate of the inner court that faces east must be kept shut during the six days of work, but on the Sabbath day and on the day of the New Moon it shall be opened.

Hosea 5:8
Blow the ram’s horn in Gibeah, the trumpet in Ramah; raise the battle cry in Beth-aven: Lead on, O Benjamin!

Amos 3:6
If a ram’s horn sounds in a city, do the people not tremble? If calamity comes to a city, has not the LORD caused it?

Colossians 2:16-17
Therefore let no one judge you by what you eat or drink, or with regard to a feast, a New Moon, or a Sabbath. / These are a shadow of the things to come, but the body that casts it belongs to Christ.

1 Corinthians 5:7-8
Get rid of the old leaven, that you may be a new unleavened batch, as you really are. For Christ, our Passover lamb, has been sacrificed. / Therefore let us keep the feast, not with the old bread, leavened with malice and wickedness, but with the unleavened bread of sincerity and of truth.

Hebrews 4:9
There remains, then, a Sabbath rest for the people of God.

Revelation 8:2
And I saw the seven angels who stand before God, and they were given seven trumpets.

Revelation 11:15
Then the seventh angel sounded his trumpet, and loud voices called out in heaven: “The kingdom of the world has become the kingdom of our Lord and of His Christ, and He will reign forever and ever.”

Revelation 14:2
And I heard a sound from heaven like the roar of many waters and the loud rumbling of thunder. And the sound I heard was like harpists strumming their harps.