Seven days: Lev 23:36-42, Num 29:12-38 because: Deu 16:10, Deu 7:13, Deu 28:8-12, Deu 30:16 Reciprocal: Lev 23:40 - rejoice Deu 16:12 - General 1Ch 15:25 - with joy Neh 8:9 - mourn not Psa 42:4 - with the voice Psa 81:3 - solemn Ecc 9:7 - eat Rom 12:8 - with diligence