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