'Solemn Assembly' in the Bible

Seven days ye shall offer an offering made by fire to LORD. On the eighth day shall be a holy convocation to you, and ye shall offer an offering made by fire to LORD. It is a solemn assembly; ye shall do no servile work.

On the eighth day, ye shall have a solemn assembly. Ye shall do no servile work.

Six days thou shall eat unleavened bread, and on the seventh day shall be a solemn assembly to LORD thy God. Thou shall do no work.

And Jehu said, Sanctify a solemn assembly for Baal. And they proclaimed it.

And on the eighth day they held a solemn assembly. For they kept the dedication of the altar seven days, and the feast seven days.

Also day by day, from the first day to the last day, he read in the book of the law of God. And they kept the feast seven days, and on the eighth day was a solemn assembly according to the ordinance.

And he has taken away his tabernacle violently, as a garden. He has destroyed his place of assembly. LORD has caused solemn assembly and Sabbath to be forgotten in Zion. And in the indignation of his anger has despised the king and

LORD has cast off his altar. He has abhorred his sanctuary. He has given up the walls of her palaces into the hand of the enemy. They have made a noise in the house of LORD, as in the day of a solemn assembly.

Thou have called, as in the day of a solemn assembly, my terrors on every side. And there was none who escaped or remained in the day of LORD's anger. My enemy has consumed those whom I have dandled and brought up.

What will ye do in the day of solemn assembly, and in the day of the feast of LORD?

Sanctify a fast. Call a solemn assembly. Gather the old men [and] all the inhabitants of the land to the house of LORD your God, and cry to LORD.

Blow the trumpet in Zion. Sanctify a fast. Call a solemn assembly.

I will gather those who sorrow for the solemn assembly, who were of thee, [to whom] the burden upon her was a reproach.