It should be strptime for character vectors. strptime("Thu, 25 Aug 2016 6:34 PM",format="%a, %d %b %Y %I:%M %p”) > On 12 Sep 2016, at 08:57, Chris Evans <chrishold at psyctc.org> wrote: > >> strftime("Thu, 25 Aug 2016 6:34 PM",format="%a, %d %b %Y %I:%M %p") [[alternative HTML version deleted]]