diff --git a/rtl/objpas/sysutils/filutil.inc b/rtl/objpas/sysutils/filutil.inc
index 234da16d16..3f7c838a21 100644
--- a/rtl/objpas/sysutils/filutil.inc
+++ b/rtl/objpas/sysutils/filutil.inc
@@ -338,6 +338,16 @@ begin
 end;
 {$endif}
 
+Function FileSetDate (Const FileName : RawByteString;const FileDateTime : TDateTime) : Longint;
+begin
+  Result:=FileSetDate(UnicodeString(FileName),FileDateTime);
+end;
+
+Function FileSetDateUTC (Const FileName : RawByteString;const FileDateTimeUTC : TDateTime) : Longint;
+begin
+  Result:=FileSetDateUTC(UnicodeString(FileName),FileDateTimeUTC);
+end;
+
 
 function FileAge(const FileName: UnicodeString; out FileDateTime: TDateTime; FollowLink: Boolean = True): Boolean;
 Var
@@ -843,15 +853,25 @@ begin
     FileDateTimeUTC:=FileDateToUniversal(aDate);
 end;
 
-Function FileSetDate (Handle : THandle; const Age: TDateTime) : Longint;
+Function FileSetDate (Handle : THandle; const FileDateTime: TDateTime) : Longint;
 begin
-  Result := FileSetDate(Handle,DateTimeToFileDate(Age));
+  Result := FileSetDate(Handle,DateTimeToFileDate(FileDateTime));
 end;
 
-Function FileSetDateUTC (Handle : THandle; const AgeUTC: TDateTime) : Longint;
+Function FileSetDateUTC (Handle : THandle; const FileDateTimeUTC: TDateTime) : Longint;
 begin
-  Result := FileSetDate(Handle,UniversalToFileDate(AgeUTC));
+  Result := FileSetDate(Handle,UniversalToFileDate(FileDateTimeUTC));
 end;
 
 
+Function FileSetDate (Const FileName : UnicodeString;const FileDateTime : TDateTime) : Longint;
+begin
+  Result:=FileSetDate(FileName,DateTimeToFileDate(FileDateTime));
+end;
+
+Function FileSetDateUTC (Const FileName : UnicodeString;const FileDateTimeUTC : TDateTime) : Longint;
+begin
+  Result:=FileSetDate(FileName,UniversalToFileDate(FileDateTimeUTC));
+end;
+
 {$ENDIF}
diff --git a/rtl/objpas/sysutils/filutilh.inc b/rtl/objpas/sysutils/filutilh.inc
index 7d36715361..02f907dea9 100644
--- a/rtl/objpas/sysutils/filutilh.inc
+++ b/rtl/objpas/sysutils/filutilh.inc
@@ -182,6 +182,8 @@ Function FileAge (Const FileName : UnicodeString): Int64;
 Function FileExists (Const FileName : UnicodeString; FollowLink : Boolean = True) : Boolean;
 Function DirectoryExists (Const Directory : UnicodeString; FollowLink : Boolean = True) : Boolean;
 Function FileSetDate (Const FileName : UnicodeString;Age : Int64) : Longint;
+Function FileSetDate (Const FileName : UnicodeString;const FileDateTime : TDateTime) : Longint;
+Function FileSetDateUTC (Const FileName : UnicodeString;const FileDateTimeUTC : TDateTime) : Longint;
 Function FileGetAttr (Const FileName : UnicodeString) : Longint;
 Function FileSetAttr (Const Filename : UnicodeString; Attr: longint) : Longint;
 Function DeleteFile (Const FileName : UnicodeString) : Boolean;
@@ -205,6 +207,8 @@ Function FileCreate (Const FileName : RawByteString; ShareMode : Integer; Rights
 Function FileExists (Const FileName : RawByteString; FollowLink : Boolean = True) : Boolean;
 Function DirectoryExists (Const Directory : RawByteString; FollowLink: Boolean = True) : Boolean;
 Function FileSetDate (Const FileName : RawByteString;Age : Int64) : Longint;
+Function FileSetDate (Const FileName : RawByteString;const FileDateTime : TDateTime) : Longint;
+Function FileSetDateUTC (Const FileName : RawByteString;const FileDateTimeUTC : TDateTime) : Longint;
 Function FileGetAttr (Const FileName : RawByteString) : Longint;
 Function FileSetAttr (Const Filename : RawByteString; Attr: longint) : Longint;
 Function DeleteFile (Const FileName : RawByteString) : Boolean;
@@ -235,8 +239,8 @@ Function FileGetDate (Handle : THandle) : Int64;
 Function FileGetDate (Handle : THandle; out FileDateTime: TDateTime) : Boolean;
 Function FileGetDateUTC (Handle : THandle; out FileDateTimeUTC: TDateTime) : Boolean;
 Function FileSetDate (Handle : THandle;Age : Int64) : Longint;
-Function FileSetDate (Handle : THandle; const Age: TDateTime) : Longint;
-Function FileSetDateUTC (Handle : THandle; const AgeUTC: TDateTime) : Longint;
+Function FileSetDate (Handle : THandle; const FileDateTime: TDateTime) : Longint;
+Function FileSetDateUTC (Handle : THandle; const FileDateTimeUTC: TDateTime) : Longint;
 Function GetFileHandle(var f : File):THandle;
 Function GetFileHandle(var f : Text):THandle;
 
diff --git a/rtl/win/sysutils.pp b/rtl/win/sysutils.pp
index 1a511fab51..0e603cce2e 100644
--- a/rtl/win/sysutils.pp
+++ b/rtl/win/sysutils.pp
@@ -694,13 +694,13 @@ begin
   Result := GetLastError;
 end;
 
-Function FileSetDate (Handle : THandle; const Age: TDateTime) : Longint;
+Function FileSetDate (Handle : THandle; const FileDateTime: TDateTime) : Longint;
 var
   FT: TFiletime;
   LT: TFiletime;
   ST: TSystemTime;
 begin
-  DateTimeToSystemTime(Age,ST);
+  DateTimeToSystemTime(FileDateTime,ST);
   if SystemTimeToFileTime(ST,LT) and LocalFileTimeToFileTime(LT,FT)
     and SetFileTime(Handle,nil,nil,@FT) then
     Result:=0
@@ -708,12 +708,12 @@ begin
     Result:=GetLastError;
 end;
 
-Function FileSetDateUTC (Handle : THandle; const AgeUTC: TDateTime) : Longint;
+Function FileSetDateUTC (Handle : THandle; const FileDateTimeUTC: TDateTime) : Longint;
 var
   FT: TFiletime;
   ST: TSystemTime;
 begin
-  DateTimeToSystemTime(AgeUTC,ST);
+  DateTimeToSystemTime(FileDateTimeUTC,ST);
   if SystemTimeToFileTime(ST,FT) and SetFileTime(Handle,nil,nil,@FT) then
     Result:=0
   else
@@ -737,6 +737,40 @@ begin
   else
     Result:=GetLastOSError;
 end;
+
+Function FileSetDate (Const FileName : UnicodeString;const FileDateTime : TDateTime) : Longint;
+Var
+  fd : THandle;
+begin
+  FD := CreateFileW (PWideChar (FileName), GENERIC_READ or GENERIC_WRITE,
+                     FILE_SHARE_WRITE, nil, OPEN_EXISTING,
+                     FILE_FLAG_BACKUP_SEMANTICS, 0);
+  If (Fd<>feInvalidHandle) then
+    try
+      Result:=FileSetDate(fd,FileDateTime);
+    finally
+      FileClose(fd);
+    end
+  else
+    Result:=GetLastOSError;
+end;
+
+Function FileSetDateUTC (Const FileName : UnicodeString;const FileDateTimeUTC : TDateTime) : Longint;
+Var
+  fd : THandle;
+begin
+  FD := CreateFileW (PWideChar (FileName), GENERIC_READ or GENERIC_WRITE,
+                     FILE_SHARE_WRITE, nil, OPEN_EXISTING,
+                     FILE_FLAG_BACKUP_SEMANTICS, 0);
+  If (Fd<>feInvalidHandle) then
+    try
+      Result:=FileSetDateUTC(fd,FileDateTimeUTC);
+    finally
+      FileClose(fd);
+    end
+  else
+    Result:=GetLastOSError;
+end;
 {$ENDIF}
 
 Function FileGetAttr (Const FileName : UnicodeString) : Longint;