Excel considers dates and times as numbers in cells, making calculation difficult. Excel processes 6 AM as "0.25," because it is one quarter of the way through the day. If you need to add a number of ...

Q. I often create agendas and schedules with a certain amount of time allotted for each agenda item — for example, 10 minutes for introductions, six minutes for each team to propose their ideas, etc.

In addition to its basic spreadsheet functions, Microsoft Excel also allows writing formulas to perform functions on existing data. Using a quick equation, you can convert an existing set of time data ...