We, NOT ONCE in the NT, 'see' the disciples of Christ, 'worship', on the First Day of the week ('Sunday') - and not at all, in Acts 20:7. In this text we 'SEE' by way of the Perfect Participle "Paul, AFTER the disciples HAD HAD ASSEMBLED TOGETHER FOR TO HAVE THE LORD'S SUPPER they STILL BEING TOGETHER on the evening of the First Day, dealt with them ..." on matters other, than they originally HAD HAD ASSEMBLED TOGETHER, for.