TDateTimeHelper.Create

public class function TDateTimeHelper.Create(

  const aYear: Word;

  const aMonth: Word;

  const aDay: Word

):TDateTime; overload;

class function TDateTimeHelper.Create(

  const aYear: Word;

  const aMonth: Word;

  const aDay: Word;

  const aHour: Word;

  const aMinute: Word;

  const aSecond: Word;

  const aMillisecond: Word

):TDateTime; overload;

class function TDateTimeHelper.Create(

  Date: string;

  aFormat: string = '';

  aDateSeparator: char = #0;

  aTimeSeparator: char = #0

):TDateTime; overload;