FileDate

FileDate["file"] gives the date and time the file was last modified.

FileDate["file", "type"] gives info on the specified date type.

Examples

Get modification date:

FileDate["myfile.txt"]
(* DateObject[{2024, 1, 15, 14, 30, 0}] *)

Get creation date:

FileDate["myfile.txt", "Creation"]

Please visit the official Wolfram Language Reference for more details.