From: Srinivasa Rao Date: 2008-09-15T21:11:12+09:00 Subject: Difference between 2 dates Hi all, duration_val= Time.now.strftime("%Y-%m-%d %H:%M:%S")-start_time_Val Start_time_val formate is also same formate ("%Y-%m-%d %H:%M:%S"). I could not able to subtract 2 datetimes . Please suggest me . I am getting error like this undefined method `-' for "2008-09-15 17:46:54":String My mail id: srinivasa_rao3@mindtree.com -- Posted via http://www.ruby-forum.com/.