Method getDayOfWeek

base/src/main/java/net/time4j/Weekmodel.java:916–920

Ermittelt den Wochentag. @param utcDays count of days relative to [1972-01-01] @return day of week as enum

(long utcDays)

     * @return  day of week as enum
     */
    static Weekday getDayOfWeek(long utcDays) {

        return Weekday.valueOf(MathUtils.floorModulo(utcDays + 5, 7) + 1);

    }

    /**
     * @serialData  Uses <a href="../../serialized-form.html#net.time4j.SPX">