Leviticus 23:15,16
And you shall count to you from the morrow after the sabbath, from the day that you brought the sheaf of the wave offering; seven sabbaths shall be complete:
Torrey's Topical Textbook—AKJV

Luke 18:12
I fast twice in the week, I give tithes of all that I possess.
Torrey's Topical Textbook—AKJV