epiphosko describes the beginning of a new day or Sabbath in the two attested clauses.

The two occurrences describe the onset of a stated time: the Sabbath in Luke 23:54 and the first day of the week in Matthew 28:1.

1. Beginning of a stated day or Sabbath · dominant

   In Luke 23:54, the imperfect active indicative form occurs in the clause about the Sabbath beginning; the APB renders the clause “the Sabbath was beginning to dawn.” In Matthew 28:1, the present active participle occurs with the movement toward the first of the week; the APB renders “at the dawning toward the first of the week.”

   Luke 23:54Matthew 28:1

In the Anselm Project Bible: The APB presents the two clauses with “was beginning to dawn” and “at the dawning.” These phrases confirm the time-setting of each verse rather than establish a separate lexical distinction.