Week See also BD Weeks, Feast of observe the feast of weeks, Ex. 34:22 (Deut. 16:10). reserveth unto us the appointed weeks of the harvest, Jer. 5:24. Seventy weeks are determined upon thy people, Dan. 9:24. seven weeks, and threescore and two weeks, Dan. 9:25. one day in every week that was set apart, Mosiah 18:25 (Alma 31:12; 32:11). give light to each other … in their weeks, D&C 88:44.