use 5.010; use DateTime::Format::ISO8601; say DateTime::Format::ISO8601 -> parse_datetime('2012-02-25T18:48:34.835-05:00') -> strftime('%F %T'); #### use 5.010; use DateTime::Format::ISO8601; say DateTime::Format::ISO8601 -> parse_datetime('2012-02-25T18:48:34.835-05:00') -> set_time_zone('UTC') -> strftime('%F %T');