Leviticus 23:7,8,21,25,28,30,31,35,36
In the first day you shall have an holy convocation: you shall do no servile work therein.
Nave's Topical Index—AKJV

Numbers 28:18,25,26
In the first day shall be an holy convocation; you shall do no manner of servile work therein:
Nave's Topical Index—AKJV

Numbers 29:1,7,12,35
And in the seventh month, on the first day of the month, you shall have an holy convocation; you shall do no servile work: it is a day of blowing the trumpets to you.
Nave's Topical Index—AKJV