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how to use excel function date. Auto fill a date series in Excel Filling a column or row with dates that increment by one day is very easy. When we select the general option it converted to 2 as shown below.
By default Microsoft Excel for Windows uses the 1900 date system which means the first date is January 1 1900. The serial number is the calculation of a number of days from the 01011900 to a given date. This function is useful in formulas where you need to calculate an age.
As you can see the formula works fine as it returns 228 as result.
Assuming that your date entry is in A1 the following formula would apply. The Excel YEAR function is very straightforward and you will hardly run into any difficulties when using it in your date calculations. So you need to use DATAVALUE function and let Excel think that it is a Date value. Note that all dates are entered in mmddyy format.