Junio C Hamano <gitster@xxxxxxxxx> writes: > Imagine this scenario: > > - Contributor A writes a change on 2017-07-01 and send it in to me > - Contributor B writes a change on 2017-07-03 and send it in to me > - I apply change from B on 2017-07-04 on 'master' > - I apply change from A on 2017-07-05 on 'master' > - You clone the resulting repository from me on 2017-07-06 > > Now, you have at the tip of 'master' in your repository the commit > that records the change by contributor A. > > And there are three times that are relevant to your tip of 'master'. > > - When was the commit that sits at the tip of 'master' made? > - When was the change recorded in that commit made? > - When was the commit made at the tip of _your_ 'master'? > > and the answers are 2017-07-01, 2017-07-05 and 2017-07-06, respectively. > They are called "committer", "author" and "reflog" timestamps. Oops, obviously the dates have to be 2017-07-05, 2017-07-01 and 2017-07-06. I made the commit on the 5th (i.e. "committer" timestamp) that records a change written on the 1st (i.e. "author" timestamp).