I am often asked by those with whom I study: “How often is the often?” How often do believers in Christ take communion? The bible does not say: “every Sunday.” Where does it state: “every first day of the week?” I explain it this way.
I share with them one of my job interviews, for a training position.
The human resources manager said: “Welcome aboard, we pay on Friday.” I understood what she meant; I thanked her for selecting me for the training position.
Wouldn’t I appear foolish to have asked: “Do you mean every Friday?” Doesn’t it just make sense; if I work that week; that payday would be on Friday?
Then, her promise: "payday is on Friday," meant every Friday. Doesn't this also characterize the communion service? That it is celebrated, every "first day of the week"?
Some struggle with the communion being taken every, “first day of the week;” but, not with the collection being taken up every, “first day of the week,” Acts 20:7; 1 Corinthians 16:1-2.
The phrase: “upon the first day of the week” is worded the same way, in both of these acts of worship.