ùîΩ(CalendarISOToDate(_plainDate_.[[Calendar]], _plainDate_.[[ISODate]]).[[DayOfYear]]).
      </emu-alg>
    </emu-clause>

    <emu-clause id="sec-get-temporal.plaindate.prototype.weekofyear">
      <h1>get Temporal.PlainDate.prototype.weekOfYear</h1>
      <p>
        `Temporal.PlainDate.prototype.weekOfYear` is an accessor property whose set accessor function is *undefined*.
        Its get accessor function performs the following steps:
      </p>
      <emu-alg>
        1. Let _plainDate_ be the *t