10. Working with Date and Time Functions
In This Chapter
The date and time functions enable you to convert dates and times to serial numbers and perform operations on those numbers. This capability is useful for such things as accounts receivable aging, project scheduling, time-management applications, and much more. This chapter introduces you to Excel’s date and time functions and puts them through their paces with many practical examples.
How Excel Deals with Dates and Times
Excel uses serial numbers to represent specific dates and times. To get a date serial number, Excel uses December 31, 1899, as an arbitrary starting point and then counts the ...
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