Many times I find myself turning to JavaScript to perform functions that I end up realizing Acrobat already knows how to do on its own; manipulating date strings is one of those things. JavaScript has a rich set of functions to work with dates such as getMonth(), getFullYear(), and getDay() to return the name of the month, four digit year, and day of the week of any date you pass in.
Working with Dates in Adobe AcrobatUse built-in date formatting to avoid writing code
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