public String formatDayOfWeek(int dayInWeek) {
        return dayOfWeekNames[dayInWeek];
    }
Format a day in the week. So, for example "Monday".

@param dayInWeek the day in week to format
@return the formatted day in week
stroom-core-client-widget/src/main/java/stroom/widget/customdatebox/client/CustomCalendarModel.java