[[InitializedTemporalDate]]).
        1. Return ùîΩ(CalendarISOToDate(_plainDate_.[[Calendar]], _plainDate_.[[ISODate]]).[[DaysInWeek]]).
      </emu-alg>
    </emu-clause>

    <emu-clause id="sec-get-temporal.plaindate.prototype.daysinmonth">
      <h1>get Temporal.PlainDate.prototype.daysInMonth</h1>
      <p>
        `Temporal.PlainDate.prototype.daysInMonth` is an accessor property whose set accessor function is *undefined*.
        Its get accessor function performs the following steps:
      </