.. index:: rd
.. _rd_help:

  RD DailyDate constructor.
 
  Usage:
 
    obj = rd(year, month, dayOfTheMonth) creates a
      rd object for the specified year, month, and day.
 
    obj = rd(year, dayOfTheYear) creates a rd
      object for the specified year and day of the year.
 
    obj = rd(dateString) creates a rd object from
      a string in the format 'mm/dd/yyyy' or 'yyyyDddd' or 'yyyy-mm-dd'.
 
    obj = rd(dateNumber) creates a rd object from
      a serial date number.
 
  Inputs:
 
    - year: Year of the date.
 
    - month: Month of the date.
 
    - dayOfTheMonth: Day of the month.
 
    - dayOfTheYear: Day of the year.
 
    - dateString: A string in the format 'mm/dd/yyyy' or 'yyyyDddd'.
 
    - dateNumber: A serial date number representing the date.
 
  Example:
 
    dateObj = rd(2023, 7, 15);
 
    dateObj = rd(2023, 165);
 
    dateObj = rd('07/15/2023');
 
    dateObj = rd('2023D165');
 
    dateObj = rd(737999);
 
  See also  rd, rw, rm, rq, rh, ra, ry