DATEVALUE is a Date and Time function, and its purpose is to convert a date in the form of text to a serial number. In this post, we will show you how to use the DATEVALUE function in Microsoft Excel.

In Microsoft Excel, a WORKDAY function is a date and time function, and its purpose is to return the serial number of the date before and after a specified number of workdays. Working days exclude ...

Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM, WORKDAY, ...

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000, which is the only version that explains how this function works.

While Microsoft Excel automatically reformats time values as hours and minutes, you can manually change the cell's time format to display the seconds as well. Using the Function Library on the ...