Hi Mole,
I was thinking what if the "First" day is in the PAST, but the "Last" day is in the FUTURE as in my sample in Row 5.
Shouldn't the Future days still be added?
If so (and I'm assuming today don't count and we're ONLY counting FUTURE days), I think the easiest way is to add a Helper Column for FUTURE days, otherwise it'll probably need an array formula.
Using SUMIFS without Helper Column, incorrect answer is given:
<b></b><table cellpadding="2.5px" rules="all" style=";background-color: rgb(255,255,255);border: 1px solid;border-collapse: collapse; border-color: rgb(187,187,187)"><colgroup><col width="25px" style="background-color: rgb(218,231,245)" /><col /><col /><col /><col /><col /><col /><col /><col /><col /></colgroup><thead><tr style=" background-color: rgb(218,231,245);text-align: center;color: rgb(22,17,32)"><th></th><th>A</th><th>B</th><th>C</th><th>D</th><th>E</th><th>F</th><th>G</th><th>H</th><th>I</th></tr></thead><tbody><tr ><td style="color: rgb(22,17,32);text-align: center;">1</td><td style=";">FULL NAME</td><td style=";">ABS_SHORT</td><td style=";">First</td><td style=";">Last</td><td style=";">days</td><td style=";">x</td><td style=";">x</td><td style=";">Who</td><td style=";">SUM</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">2</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">08/01/2018</td><td style="text-align: right;;">09/01/2018</td><td style="text-align: right;;">2</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style=";">Person A</td><td style="text-align: right;;">5</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">3</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">05/01/2018</td><td style="text-align: right;;">05/01/2018</td><td style="text-align: right;;">1</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></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">4</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">03/01/2018</td><td style="text-align: right;;">04/01/2018</td><td style="text-align: right;;">2</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></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">5</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">01/01/2018</td><td style="text-align: right;;">03/01/2018</td><td style="text-align: right;;">3</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></tr></tbody></table><p style="width:4.8em;font-weight:bold;margin:0;padding:0.2em 0.6em 0.2em 0.5em;border: 1px solid rgb(187,187,187);border-top:none;text-align: center;background-color: rgb(218,231,245);color: rgb(22,17,32)">Sheet2</p><br /><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: rgb(255,255,255)" ><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: rgb(255,255,255);border-collapse: collapse; border-color: rgb(187,187,187)"><thead><tr style=" background-color: rgb(218,231,245);color: rgb(22,17,32)"><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: rgb(218,231,245);color: rgb(22,17,32)">I2</th><td style="text-align:left">=SUMIFS(<font color="Blue">E2:E4,A2:A4,H2,B2:B4,"AL",C2:C4,">"&TODAY(<font color="Red"></font>)</font>)</td></tr></tbody></table></td></tr></table><br />
With Helper column for FUTURE days:
<b></b><table cellpadding="2.5px" rules="all" style=";background-color: rgb(255,255,255);border: 1px solid;border-collapse: collapse; border-color: rgb(187,187,187)"><colgroup><col width="25px" style="background-color: rgb(218,231,245)" /><col /><col /><col /><col /><col /><col /><col /><col /><col /></colgroup><thead><tr style=" background-color: rgb(218,231,245);text-align: center;color: rgb(22,17,32)"><th></th><th>A</th><th>B</th><th>C</th><th>D</th><th>E</th><th>F</th><th>G</th><th>H</th><th>I</th></tr></thead><tbody><tr ><td style="color: rgb(22,17,32);text-align: center;">1</td><td style=";">FULL NAME</td><td style=";">ABS_SHORT</td><td style=";">First</td><td style=";">Last</td><td style=";">Total days</td><td style=";">Future days</td><td style=";">x</td><td style=";">Who</td><td style=";">SUM</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">2</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">08/01/2018</td><td style="text-align: right;;">09/01/2018</td><td style="text-align: right;;">2</td><td style="text-align: right;;">2</td><td style="text-align: right;;"></td><td style=";">Person A</td><td style="text-align: right;;">6</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">3</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">05/01/2018</td><td style="text-align: right;;">05/01/2018</td><td style="text-align: right;;">1</td><td style="text-align: right;;">1</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">4</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">03/01/2018</td><td style="text-align: right;;">04/01/2018</td><td style="text-align: right;;">2</td><td style="text-align: right;;">2</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">5</td><td style=";">Person A</td><td style=";">AL</td><td style="text-align: right;;">01/01/2018</td><td style="text-align: right;;">03/01/2018</td><td style="text-align: right;;">3</td><td style="text-align: right;;">1</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td></tr></tbody></table><p style="width:4.8em;font-weight:bold;margin:0;padding:0.2em 0.6em 0.2em 0.5em;border: 1px solid rgb(187,187,187);border-top:none;text-align: center;background-color: rgb(218,231,245);color: rgb(22,17,32)">Sheet3</p><br /><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: rgb(255,255,255)" ><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: rgb(255,255,255);border-collapse: collapse; border-color: rgb(187,187,187)"><thead><tr style=" background-color: rgb(218,231,245);color: rgb(22,17,32)"><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: rgb(218,231,245);color: rgb(22,17,32)">I2</th><td style="text-align:left">=SUMIFS(<font color="Blue">F2:F5,A2:A5,H2,B2:B5,"AL"</font>)</td></tr><tr><th width="10px" style=" background-color: rgb(218,231,245);color: rgb(22,17,32)">F2</th><td style="text-align:left">=IF(<font color="Blue">C2<TODAY(<font color="Red"></font>),D2-TODAY(<font color="Red"></font>)-1,D2-C2</font>)+1</td></tr></tbody></table></td></tr></table><br />