I produce a daily timeline report that reads from dates and times from another worksheet in the report. The formula that I use to create my ‘timebar’
=IF(AND(E$1>=($C2-TIME(0,0,1)),E$1<=ROUND($D2*24/0.25,0)*(0.25/24)),"P","")
Row 1 holds the value for each hour of the days I am currently...