Originally Posted by
Richard Buttrey
If my assumption in #3 is correct then perhaps with helper columns
F2:
=DATEVALUE(LEFT(C2,FIND(" ",C2)))+IF(RIGHT(C2,2)="PM",12+MID(C2,FIND(" ",C2)+1,2),MID(C2,FIND(" ",C2)+1,2))/24+MID(C2,FIND(" ",C2)+4,2)/1440+MID(C2,FIND(" ",C2)+7,13)/86400
G2:
=DATEVALUE(LEFT(D2,FIND(" ",D2)))+IF(RIGHT(D2,2)="PM",12+MID(D2,FIND(" ",D2)+1,2),MID(D2,FIND(" ",D2)+1,2))/24+MID(D2,FIND(" ",D2)+4,2)/1440+MID(D2,FIND(" ",D2)+7,13)/86400
H2: formatted as h:m:s.000
=G2-F2
I2: formatted as a number
=H2*86400
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