Hi Haseeb,
Your formula does not work. LEFT() returns a literal text, and not a number that can be coerced using +0.
rlekkala,
If you want the result in date format, then use the formula in B2 (cell formatted as mmm-yy). C2 is another method to get the required info, but in TEXT format.
<b>Excel 2010</b><table cellpadding="2.5px" rules="all" style=";background-color: #FFFFFF;border: 1px solid;border-collapse: collapse; border-color: #BBB"><colgroup><col width="10px" style="background-color: #DAE7F5" /><col /><col /><col /><col /><col /><col /></colgroup><thead><tr style=" background-color: #DAE7F5;text-align: center;color: #161120"><th></th><th>A</th><th>B</th><th>C</th><th>D</th><th>E</th><th>F</th></tr></thead><tbody><tr ><td style="color: #161120;text-align: center;">2</td><td style=";">February 22, 2011 1:59:21 PM GMT-05:00</td><td style="text-align: right;;">Feb-11</td><td style=";">Feb-11</td><td style="text-align: right;;"></td><td style=";">Apr</td><td style="text-align: right;;">4</td></tr><tr ><td style="color: #161120;text-align: center;">3</td><td style=";">June 25, 2010 3:22:05 PM GMT-05:00</td><td style="text-align: right;;">Jun-10</td><td style=";">Jun-10</td><td style="text-align: right;;"></td><td style=";">Aug</td><td style="text-align: right;;">8</td></tr><tr ><td style="color: #161120;text-align: center;">4</td><td style=";">June 25, 2010 7:57:12 AM GMT-05:00</td><td style="text-align: right;;">Jun-10</td><td style=";">Jun-10</td><td style="text-align: right;;"></td><td style=";">Dec</td><td style="text-align: right;;">12</td></tr><tr ><td style="color: #161120;text-align: center;">5</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Feb</td><td style="text-align: right;;">2</td></tr><tr ><td style="color: #161120;text-align: center;">6</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Jan</td><td style="text-align: right;;">1</td></tr><tr ><td style="color: #161120;text-align: center;">7</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Jul</td><td style="text-align: right;;">7</td></tr><tr ><td style="color: #161120;text-align: center;">8</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Jun</td><td style="text-align: right;;">6</td></tr><tr ><td style="color: #161120;text-align: center;">9</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Mar</td><td style="text-align: right;;">3</td></tr><tr ><td style="color: #161120;text-align: center;">10</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">May</td><td style="text-align: right;;">5</td></tr><tr ><td style="color: #161120;text-align: center;">11</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Nov</td><td style="text-align: right;;">11</td></tr><tr ><td style="color: #161120;text-align: center;">12</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Oct</td><td style="text-align: right;;">10</td></tr><tr ><td style="color: #161120;text-align: center;">13</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Sep</td><td style="text-align: right;;">9</td></tr></tbody></table><p style="width:3.6em;font-weight:bold;margin:0;padding:0.2em 0.6em 0.2em 0.5em;border: 1px solid #BBB;border-top:none;text-align: center;background-color: #DAE7F5;color: #161120">Sheet1</p><br /><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: #FFFFFF" ><tr><td style="padding:6px" ><b>Worksheet Formulas</b><table cellpadding="2.5px" width="100%" rules="all" style="border: 1px solid;text-align:center;background-color: #FFFFFF;border-collapse: collapse; border-color: #BBB"><thead><tr style=" background-color: #DAE7F5;color: #161120"><th width="10px">Cell</th><th style="text-align:left;padding-left:5px;">Formula</th></tr></thead><tbody><tr><th width="10px" style=" background-color: #DAE7F5;color: #161120">B2</th><td style="text-align:left">=DATE(<font color="Blue">MID(<font color="Red">A2,FIND(<font color="Green">",",A2</font>)+2,4</font>),LOOKUP(<font color="Red">LEFT(<font color="Green">A2,3</font>),$E$2:$E$13,$F$2:$F$13</font>),MID(<font color="Red">A2,FIND(<font color="Green">" ",A2</font>)+1,FIND(<font color="Green">",",A2</font>)-FIND(<font color="Green">" ",A2</font>)-1</font>)</font>)</td></tr><tr><th width="10px" style=" background-color: #DAE7F5;color: #161120">C2</th><td style="text-align:left">=LEFT(<font color="Blue">REPLACE(<font color="Red">A2,4,FIND(<font color="Green">",",A2</font>),"-"</font>),6</font>)</td></tr></tbody></table></td></tr></table><br />