Examples of date format:

2016-06-20T17:26:44.356Z

2016-06-20 19:26:44 GMT+02:00

2016-06-20 19:26+0200

2016-06-20 17:26:44

2016-06-20

2016/06/20 17:26:44

2016/06/20 19:26:44+02:00

2016/06/20 17:26

2016/06/20 5:26 PM

2016/06/20

06/20/2016 17:26:44

06/20/2016 19:26:44+02:00

06/20/2016 17:26

06/20/2016 5:26 PM

06/20/2016

20.6.2016 17:26:44

20.6.2016 19:26:44+02:00

20.6.2016 19:26:44+02:00

20.6.2016