Excel DATE Function  Microsoft Excel DATE Function Tutorial
Microsoft DATE Function Tutorial
Microsoft DATE Function Tutorial
What is the Microsoft Excel DATE Function?The DATE function is a computer program that you run from a worksheet cell formula. It converts a month, day and year number to a serial number that Excel recognizes as a date. You run the DATE function by typing its name in a formula then followed by the information it is suppose to use. The DATE worksheet function is used with functions like the VLOOKUP, MATCH and similar functions because when they lookup dates they are looking for the serial number not a date format. So in other words, 1/1/2015 will not work as the first argument of VLOOKUP. The DATE worksheet function is also used heavily with dashboard interfaces taking the ActiveX control numbers they output and turning them into dates. How Do You Type the DATE Worksheet Function in a Formula?Whenever you type a formula in a worksheet cell, this is called syntax or grammar. The general DATE function syntax has a format like this when you type it in a worksheet cell: = DATE( year, month, day ) Where year, month... is called the function argument list. Remember, you are running a computer program at this point so the program needs information to operate and that is why there is an argument list. When you see an argument list and you see square brackets [ ] around the argument name, this means the argument is optional and you do not have to include it when typing unless you need it. So for the syntax above, you need to include 3 arguments for the DATE function when typing it in a worksheet cell formula in order for it to calculate correctly. What argument values can be used are discussed below. Remember functions expect certain things in their argument lists, if you do not put the correct information in the list they will generate an error when run. DATE Worksheet Function Argument Definitions
How Do You Run the DATE Function?Since the DATE function is a computer program, it runs when you press Enter to enter the formula that contains it. If any of its arguments are wrong, the function will return an error. What Do I Type for a DATE Function Argument?When typing the DATE function in a worksheet cell formula, you need to replace its arguments with the month, day and year numbers needed. Some typical arguments you can use are:
Additional DATE Function ExamplesThe worksheet seen below contains some typical worksheet formulas that run the DATEVALUE and DATE worksheet function. Pay close attention to the argument list and the syntax used to write the formula.

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