public static Calendar today(){
        Calendar today = Calendar.getInstance();
        today.set(Calendar.HOUR_OF_DAY, 0);
        today.set(Calendar.MINUTE, 0);
        today.set(Calendar.SECOND, 0);
        today.set(Calendar.MILLISECOND, 0);
        return today;
    }
Returns a calendar instance at the start of this day
@return the calendar instance
library/src/main/java/com/alamkanak/weekview/WeekViewUtil.java