code: public boolean inGivenDay(Date theGivenDate) {
  		Date[] givenDay = of(theGivenDate).asDayRange();
  		return this.target.compareTo(givenDay[0]) >= 0 && this.target.compareTo(givenDay[1]) <= 0;
  	}
docs: Checks if this delegate date in the given date
  
  @param theGivenDate
  @return