ers are portions of the format picture that
      will be replaced with a decimal string that represents
      the corresponding component of a time.

   Meta Markers

      Meta markers (listed under the class ``meta'' in the
      table above) are used to indicate `global' properties of
      your time string. You may specify time scale and how
      rounding should be performed on the components of time
      in your output string. Meta markers may be placed anywhere
      in your format picture. They do