/text/scalc/01/func_datevalue.xhp DATEVALUE function DATEVALUE Returns the internal date number for text in quotes. The internal date number is returned as a number. The number is determined by the date system that is used by $[officename] to calculate dates. Syntax DATEVALUE("Text") Text is a valid date expression and must be entered with quotation marks. Example =DATEVALUE("1954-07-20") yields 19925.