str: 21 May 2018 16:52:43 short: 21 May 2018 16:52:43 long: Mon May 21 16:52:43 2018 fancylong: 21 May 2018 16:52:43 fancyshort: 21 May 2018 16:52:43 localelong: Mon May 21 16:52:43 2018 invalid: