
  [;1m-spec erlang:localtime() -> DateTime[0m
  [;1m                          when DateTime :: calendar:datetime().[0m

  Returns the current local date and time, [;;4m{{Year, Month, Day},[0m
  [;;4m{Hour, Minute, Second}}[0m, for example:

    > erlang:localtime().
    {{1996,11,6},{14,45,17}}

  The time zone and Daylight Saving Time correction depend on the
  underlying OS. The return value is based on the OS System Time.
