private void setDaysOfWeekTitles() {
        settingsManager.setShowDaysOfWeekTitle(settingsManager.getCalendarOrientation() != LinearLayoutManager.HORIZONTAL);
        settingsManager.setShowDaysOfWeek(settingsManager.getCalendarOrientation() == LinearLayoutManager.HORIZONTAL);

        if (llDaysOfWeekTitles == null) {
            createDaysOfWeekTitle();
        }
        if (settingsManager.isShowDaysOfWeekTitle()) {
            showDaysOfWeekTitle();
        } else {
            hideDaysOfWeekTitle();
        }
    }
Defines days of week displaying according to calendar orientation
HORIZONTAL - displaying below month name and above dates
VERTICAL - displaying above whole calendar
cosmocalendar/src/main/java/com/applikeysolutions/cosmocalendar/view/CalendarView.java