time calculation on working hours less weekend


New Member
Oct 13, 2009
Hi I am Struggling to solve this!

I need to calculate time between two dates, but need to be only between 8:00 AM and 5:00 PM, excluding weekends.
I got some results, but when the start time is over 5:00 pm still add the time...
example below:

Start End Transmission time (h:mm)
28/09/2019 18:41 30/09/2019 9:29 ?

supposed to be only 1:29 min...

kind regards


Well-known Member
Jul 4, 2014

try this:

<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 /></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></tr></thead><tbody><tr ><td style="color: rgb(22,17,32);text-align: center;">1</td><td style="text-align: right;;">28-9-2019 18:41:00</td><td style="text-align: right;;">30-9-2019 09:29:00</td><td style="text-align: right;;">1:29:00</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 rgb(187,187,187);border-top:none;text-align: center;background-color: rgb(218,231,245);color: rgb(22,17,32)">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: 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)">C1</th><td style="text-align:left">=(<font color="Blue">NETWORKDAYS(<font color="Red">A1,B1</font>)-1</font>)*(<font color="Blue">"17:00"-"08:00"</font>)+IF(<font color="Blue">NETWORKDAYS(<font color="Red">B1,B1</font>),MEDIAN(<font color="Red">MOD(<font color="Green">B1,1</font>),"17:00","08:00"</font>),"17:00"</font>)-MEDIAN(<font color="Blue">NETWORKDAYS(<font color="Red">A1,A1</font>)*MOD(<font color="Red">A1,1</font>),"17:00","08:00"</font>)</td></tr></tbody></table></td></tr></table><br />

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