2005-02-28 + -10 * day = 2005-02-18
2004-02-29 + -10 * day = 2004-02-19
2004-01-31 + -10 * day = 2004-01-21
2004-12-31 + -10 * day = 2004-12-21
2005-07-01 + -10 * day = 2005-06-21
2005-04-21 + -10 * day = 2005-04-11
2005-06-30 + -10 * day = 2005-06-20
2005-02-28 + -4 * day = 2005-02-24
2004-02-29 + -4 * day = 2004-02-25
2004-01-31 + -4 * day = 2004-01-27
2004-12-31 + -4 * day = 2004-12-27
2005-07-01 + -4 * day = 2005-06-27
2005-04-21 + -4 * day = 2005-04-17
2005-06-30 + -4 * day = 2005-06-26
2005-02-28 + -1 * day = 2005-02-27
2004-02-29 + -1 * day = 2004-02-28
2004-01-31 + -1 * day = 2004-01-30
2004-12-31 + -1 * day = 2004-12-30
2005-07-01 + -1 * day = 2005-06-30
2005-04-21 + -1 * day = 2005-04-20
2005-06-30 + -1 * day = 2005-06-29
2005-02-28 + 0 * day = 2005-02-28
2004-02-29 + 0 * day = 2004-02-29
2004-01-31 + 0 * day = 2004-01-31
2004-12-31 + 0 * day = 2004-12-31
2005-07-01 + 0 * day = 2005-07-01
2005-04-21 + 0 * day = 2005-04-21
2005-06-30 + 0 * day = 2005-06-30
2005-02-28 + 1 * day = 2005-03-01
2004-02-29 + 1 * day = 2004-03-01
2004-01-31 + 1 * day = 2004-02-01
2004-12-31 + 1 * day = 2005-01-01
2005-07-01 + 1 * day = 2005-07-02
2005-04-21 + 1 * day = 2005-04-22
2005-06-30 + 1 * day = 2005-07-01
2005-02-28 + 7 * day = 2005-03-07
2004-02-29 + 7 * day = 2004-03-07
2004-01-31 + 7 * day = 2004-02-07
2004-12-31 + 7 * day = 2005-01-07
2005-07-01 + 7 * day = 2005-07-08
2005-04-21 + 7 * day = 2005-04-28
2005-06-30 + 7 * day = 2005-07-07
2005-02-28 + 83 * day = 2005-05-22
2004-02-29 + 83 * day = 2004-05-22
2004-01-31 + 83 * day = 2004-04-23
2004-12-31 + 83 * day = 2005-03-24
2005-07-01 + 83 * day = 2005-09-22
2005-04-21 + 83 * day = 2005-07-13
2005-06-30 + 83 * day = 2005-09-21
2005-02-28 + -10 * month (clip) = 2004-04-28
2004-02-29 + -10 * month (clip) = 2003-04-29
2004-01-31 + -10 * month (clip) = 2003-03-31
2004-12-31 + -10 * month (clip) = 2004-02-29
2005-07-01 + -10 * month (clip) = 2004-09-01
2005-04-21 + -10 * month (clip) = 2004-06-21
2005-06-30 + -10 * month (clip) = 2004-08-30
2005-02-28 + -4 * month (clip) = 2004-10-28
2004-02-29 + -4 * month (clip) = 2003-10-29
2004-01-31 + -4 * month (clip) = 2003-09-30
2004-12-31 + -4 * month (clip) = 2004-08-31
2005-07-01 + -4 * month (clip) = 2005-03-01
2005-04-21 + -4 * month (clip) = 2004-12-21
2005-06-30 + -4 * month (clip) = 2005-02-28
2005-02-28 + -1 * month (clip) = 2005-01-28
2004-02-29 + -1 * month (clip) = 2004-01-29
2004-01-31 + -1 * month (clip) = 2003-12-31
2004-12-31 + -1 * month (clip) = 2004-11-30
2005-07-01 + -1 * month (clip) = 2005-06-01
2005-04-21 + -1 * month (clip) = 2005-03-21
2005-06-30 + -1 * month (clip) = 2005-05-30
2005-02-28 + 0 * month (clip) = 2005-02-28
2004-02-29 + 0 * month (clip) = 2004-02-29
2004-01-31 + 0 * month (clip) = 2004-01-31
2004-12-31 + 0 * month (clip) = 2004-12-31
2005-07-01 + 0 * month (clip) = 2005-07-01
2005-04-21 + 0 * month (clip) = 2005-04-21
2005-06-30 + 0 * month (clip) = 2005-06-30
2005-02-28 + 1 * month (clip) = 2005-03-28
2004-02-29 + 1 * month (clip) = 2004-03-29
2004-01-31 + 1 * month (clip) = 2004-02-29
2004-12-31 + 1 * month (clip) = 2005-01-31
2005-07-01 + 1 * month (clip) = 2005-08-01
2005-04-21 + 1 * month (clip) = 2005-05-21
2005-06-30 + 1 * month (clip) = 2005-07-30
2005-02-28 + 7 * month (clip) = 2005-09-28
2004-02-29 + 7 * month (clip) = 2004-09-29
2004-01-31 + 7 * month (clip) = 2004-08-31
2004-12-31 + 7 * month (clip) = 2005-07-31
2005-07-01 + 7 * month (clip) = 2006-02-01
2005-04-21 + 7 * month (clip) = 2005-11-21
2005-06-30 + 7 * month (clip) = 2006-01-30
2005-02-28 + 83 * month (clip) = 2012-01-28
2004-02-29 + 83 * month (clip) = 2011-01-29
2004-01-31 + 83 * month (clip) = 2010-12-31
2004-12-31 + 83 * month (clip) = 2011-11-30
2005-07-01 + 83 * month (clip) = 2012-06-01
2005-04-21 + 83 * month (clip) = 2012-03-21
2005-06-30 + 83 * month (clip) = 2012-05-30
2005-02-28 + -10 * month (roll over) = 2004-04-28
2004-02-29 + -10 * month (roll over) = 2003-04-29
2004-01-31 + -10 * month (roll over) = 2003-03-31
2004-12-31 + -10 * month (roll over) = 2004-03-02
2005-07-01 + -10 * month (roll over) = 2004-09-01
2005-04-21 + -10 * month (roll over) = 2004-06-21
2005-06-30 + -10 * month (roll over) = 2004-08-30
2005-02-28 + -4 * month (roll over) = 2004-10-28
2004-02-29 + -4 * month (roll over) = 2003-10-29
2004-01-31 + -4 * month (roll over) = 2003-10-01
2004-12-31 + -4 * month (roll over) = 2004-08-31
2005-07-01 + -4 * month (roll over) = 2005-03-01
2005-04-21 + -4 * month (roll over) = 2004-12-21
2005-06-30 + -4 * month (roll over) = 2005-03-02
2005-02-28 + -1 * month (roll over) = 2005-01-28
2004-02-29 + -1 * month (roll over) = 2004-01-29
2004-01-31 + -1 * month (roll over) = 2003-12-31
2004-12-31 + -1 * month (roll over) = 2004-12-01
2005-07-01 + -1 * month (roll over) = 2005-06-01
2005-04-21 + -1 * month (roll over) = 2005-03-21
2005-06-30 + -1 * month (roll over) = 2005-05-30
2005-02-28 + 0 * month (roll over) = 2005-02-28
2004-02-29 + 0 * month (roll over) = 2004-02-29
2004-01-31 + 0 * month (roll over) = 2004-01-31
2004-12-31 + 0 * month (roll over) = 2004-12-31
2005-07-01 + 0 * month (roll over) = 2005-07-01
2005-04-21 + 0 * month (roll over) = 2005-04-21
2005-06-30 + 0 * month (roll over) = 2005-06-30
2005-02-28 + 1 * month (roll over) = 2005-03-28
2004-02-29 + 1 * month (roll over) = 2004-03-29
2004-01-31 + 1 * month (roll over) = 2004-03-02
2004-12-31 + 1 * month (roll over) = 2005-01-31
2005-07-01 + 1 * month (roll over) = 2005-08-01
2005-04-21 + 1 * month (roll over) = 2005-05-21
2005-06-30 + 1 * month (roll over) = 2005-07-30
2005-02-28 + 7 * month (roll over) = 2005-09-28
2004-02-29 + 7 * month (roll over) = 2004-09-29
2004-01-31 + 7 * month (roll over) = 2004-08-31
2004-12-31 + 7 * month (roll over) = 2005-07-31
2005-07-01 + 7 * month (roll over) = 2006-02-01
2005-04-21 + 7 * month (roll over) = 2005-11-21
2005-06-30 + 7 * month (roll over) = 2006-01-30
2005-02-28 + 83 * month (roll over) = 2012-01-28
2004-02-29 + 83 * month (roll over) = 2011-01-29
2004-01-31 + 83 * month (roll over) = 2010-12-31
2004-12-31 + 83 * month (roll over) = 2011-12-01
2005-07-01 + 83 * month (roll over) = 2012-06-01
2005-04-21 + 83 * month (roll over) = 2012-03-21
2005-06-30 + 83 * month (roll over) = 2012-05-30
2005-02-28 + -10 * year (clip) = 1995-02-28
2004-02-29 + -10 * year (clip) = 1994-02-28
2004-01-31 + -10 * year (clip) = 1994-01-31
2004-12-31 + -10 * year (clip) = 1994-12-31
2005-07-01 + -10 * year (clip) = 1995-07-01
2005-04-21 + -10 * year (clip) = 1995-04-21
2005-06-30 + -10 * year (clip) = 1995-06-30
2005-02-28 + -4 * year (clip) = 2001-02-28
2004-02-29 + -4 * year (clip) = 2000-02-29
2004-01-31 + -4 * year (clip) = 2000-01-31
2004-12-31 + -4 * year (clip) = 2000-12-31
2005-07-01 + -4 * year (clip) = 2001-07-01
2005-04-21 + -4 * year (clip) = 2001-04-21
2005-06-30 + -4 * year (clip) = 2001-06-30
2005-02-28 + -1 * year (clip) = 2004-02-28
2004-02-29 + -1 * year (clip) = 2003-02-28
2004-01-31 + -1 * year (clip) = 2003-01-31
2004-12-31 + -1 * year (clip) = 2003-12-31
2005-07-01 + -1 * year (clip) = 2004-07-01
2005-04-21 + -1 * year (clip) = 2004-04-21
2005-06-30 + -1 * year (clip) = 2004-06-30
2005-02-28 + 0 * year (clip) = 2005-02-28
2004-02-29 + 0 * year (clip) = 2004-02-29
2004-01-31 + 0 * year (clip) = 2004-01-31
2004-12-31 + 0 * year (clip) = 2004-12-31
2005-07-01 + 0 * year (clip) = 2005-07-01
2005-04-21 + 0 * year (clip) = 2005-04-21
2005-06-30 + 0 * year (clip) = 2005-06-30
2005-02-28 + 1 * year (clip) = 2006-02-28
2004-02-29 + 1 * year (clip) = 2005-02-28
2004-01-31 + 1 * year (clip) = 2005-01-31
2004-12-31 + 1 * year (clip) = 2005-12-31
2005-07-01 + 1 * year (clip) = 2006-07-01
2005-04-21 + 1 * year (clip) = 2006-04-21
2005-06-30 + 1 * year (clip) = 2006-06-30
2005-02-28 + 7 * year (clip) = 2012-02-28
2004-02-29 + 7 * year (clip) = 2011-02-28
2004-01-31 + 7 * year (clip) = 2011-01-31
2004-12-31 + 7 * year (clip) = 2011-12-31
2005-07-01 + 7 * year (clip) = 2012-07-01
2005-04-21 + 7 * year (clip) = 2012-04-21
2005-06-30 + 7 * year (clip) = 2012-06-30
2005-02-28 + 83 * year (clip) = 2088-02-28
2004-02-29 + 83 * year (clip) = 2087-02-28
2004-01-31 + 83 * year (clip) = 2087-01-31
2004-12-31 + 83 * year (clip) = 2087-12-31
2005-07-01 + 83 * year (clip) = 2088-07-01
2005-04-21 + 83 * year (clip) = 2088-04-21
2005-06-30 + 83 * year (clip) = 2088-06-30
2005-02-28 + -10 * year (roll over) = 1995-02-28
2004-02-29 + -10 * year (roll over) = 1994-03-01
2004-01-31 + -10 * year (roll over) = 1994-01-31
2004-12-31 + -10 * year (roll over) = 1994-12-31
2005-07-01 + -10 * year (roll over) = 1995-07-01
2005-04-21 + -10 * year (roll over) = 1995-04-21
2005-06-30 + -10 * year (roll over) = 1995-06-30
2005-02-28 + -4 * year (roll over) = 2001-02-28
2004-02-29 + -4 * year (roll over) = 2000-02-29
2004-01-31 + -4 * year (roll over) = 2000-01-31
2004-12-31 + -4 * year (roll over) = 2000-12-31
2005-07-01 + -4 * year (roll over) = 2001-07-01
2005-04-21 + -4 * year (roll over) = 2001-04-21
2005-06-30 + -4 * year (roll over) = 2001-06-30
2005-02-28 + -1 * year (roll over) = 2004-02-28
2004-02-29 + -1 * year (roll over) = 2003-03-01
2004-01-31 + -1 * year (roll over) = 2003-01-31
2004-12-31 + -1 * year (roll over) = 2003-12-31
2005-07-01 + -1 * year (roll over) = 2004-07-01
2005-04-21 + -1 * year (roll over) = 2004-04-21
2005-06-30 + -1 * year (roll over) = 2004-06-30
2005-02-28 + 0 * year (roll over) = 2005-02-28
2004-02-29 + 0 * year (roll over) = 2004-02-29
2004-01-31 + 0 * year (roll over) = 2004-01-31
2004-12-31 + 0 * year (roll over) = 2004-12-31
2005-07-01 + 0 * year (roll over) = 2005-07-01
2005-04-21 + 0 * year (roll over) = 2005-04-21
2005-06-30 + 0 * year (roll over) = 2005-06-30
2005-02-28 + 1 * year (roll over) = 2006-02-28
2004-02-29 + 1 * year (roll over) = 2005-03-01
2004-01-31 + 1 * year (roll over) = 2005-01-31
2004-12-31 + 1 * year (roll over) = 2005-12-31
2005-07-01 + 1 * year (roll over) = 2006-07-01
2005-04-21 + 1 * year (roll over) = 2006-04-21
2005-06-30 + 1 * year (roll over) = 2006-06-30
2005-02-28 + 7 * year (roll over) = 2012-02-28
2004-02-29 + 7 * year (roll over) = 2011-03-01
2004-01-31 + 7 * year (roll over) = 2011-01-31
2004-12-31 + 7 * year (roll over) = 2011-12-31
2005-07-01 + 7 * year (roll over) = 2012-07-01
2005-04-21 + 7 * year (roll over) = 2012-04-21
2005-06-30 + 7 * year (roll over) = 2012-06-30
2005-02-28 + 83 * year (roll over) = 2088-02-28
2004-02-29 + 83 * year (roll over) = 2087-03-01
2004-01-31 + 83 * year (roll over) = 2087-01-31
2004-12-31 + 83 * year (roll over) = 2087-12-31
2005-07-01 + 83 * year (roll over) = 2088-07-01
2005-04-21 + 83 * year (roll over) = 2088-04-21
2005-06-30 + 83 * year (roll over) = 2088-06-30