Normal Year		Leap Year (difference only)
output date	from	to		from	to	output date
01/01-01/14	10/18	12/17		
01/15-01/31	11/01	12/31		
02/01-02/14	11/18	01/17		
02/15-02/28	12/02	01/31		12/02	01/31	02/15-02/29
03/01-03/14	12/16	02/14		12/17	02/15	03/01-03/14
03/15-03/31	12/30   02/28		12/31	02/29	03/15-03/31
04/01-04/14	01/16   03/17		01/17	03/17	04/01-04/14
04/15-04/30	01/30	03/31		01/31	03/31	04/15-04/30
05/01-05/14	02/15	04/16		02/16	04/16	05/01-05/14
05/15-05/31	03/01	04/30
06/01-06/14	03/18	05/17		
06/15-06/30	04/01	05/31
07/01-07/14	04/17	06/16
07/15-07/31	05/01	06/30
08/01-08/14	05/18	07/17
08/15-08/31	06/01	07/31
09/01-09/14	06/18	08/17
09/15-09/30	07/02	08/31
10/01-10/14	07/18	09/16
10/15-10/31	08/01	09/30
11/01-11/14	08/18	10/17
11/15-11/30	09/01	10/31
12/01-12/14	09/17	11/16
12/15-12/31	10/01	11/30