["2017-04-21T17:00",
 "2017-04-21T18:30",
 "2017-04-21T19:51",
 "2017-04-21T21:44",
 "2017-04-21T23:39",
 "2017-04-22T01:17",
 "2017-04-22T03:00",
 "2017-04-22T04:50",
 "2017-04-22T06:45",
 "2017-04-22T08:46",
 "2017-04-22T10:20",
 "2017-04-22T12:09"]

["2017-04-21T17:00",
 "2017-04-21T18:30",
 "2017-04-21T19:51",
 "2017-04-21T21:44",
 "2017-04-21T23:39",
 "2017-04-22T01:17",
 "2017-04-22T03:00",
 "2017-04-22T04:50",
 "2017-04-22T06:45",
 "2017-04-22T08:46",
 "2017-04-22T10:20",
 "2017-04-22T12:09",
 "2017-04-22T14:29"]

Add finish time by my watch
Add finish time by my watch