From: CC Chen Date: 2011-09-13T13:26:07+09:00 Subject: calculate timing How to calculate the time difference? such as: first time --> date: 20110918 time: 213456 (2011/09/18 21:34:56) second time --> date : 20110919 time: 032411 (2011/09/19 03:24:11) How to calculate the differ between first and second time with different date? Thanks, -- Posted via http://www.ruby-forum.com/.