DateToHTTPDate and DateFromHTTP functions (source). Enables conversion between OLE datetime (8byte VARIANT-DATE) and http datetime (plain text). Useful for If-Modified-Since and Last-Modified headers.
for 'How to convert DATE to a HTTP string date in ASP' articleWork with If-Modified-Since and Last-Modified in ASP.Net.Short support vb.Net functions to convert date from/to http string date and sample code to send files with 304 http code
How to convert http date to OLE(VB/VBS) date.ASP (VBS) function converting http string date (like Fri, 22 Oct 1999 12:08:38 GMT) to DATE data type.
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