Date interpreted wrong: 1 Jan 2017

Problem/Motivation

I am trying to use the Bootstrap Datepicker with a view that uses the Views Entity Form Field. The other widget options work for picking the date, but not the Bootstrap Datepicker, but just for some dates: notably 1 Jan 2017 and 1 Jan 2016

See the attached screenshot. The field on the left is a date appearing simply as a date field. The field on the right is the same field, rendered as a Form Field so that it can be edited. They all work fine, unless the date is 1 Jan 2017, which renders in the Form Field as 1 Jan 2016. If I use another widget to render the Form Field I do not have this problem. If I select the 1 Jan 2016 date and save the form, it will save with 1 Jan 2016, which will show correctly in the rendered field but will show as 1 Jan 2015 in the Bootstrap Datepicker field. Again, if I select 1 Jan 2016 in the Bootstrap Datepicker, it save as 1 Jan 2015. But then the error stops. Only those two dates see to break.

I have tried this date with other fields and other records and I get the same error. I have tried changing the format of the Bootstrap Datepicker to a different order and I get the same error. There are no error messages showing up on the screen or in the Drupal Log.

I tried using "dd-mm-Y" instead of "dd-mm-yyyy" as the format, and this interprets the date correctly, but it cannot pick a date, inserting a capital Y as the year in the box.

I have also tried it with Bootstrap coming from CDN or Locally, and get the same error, but the error also shows up in the Preview inside of Views, which uses the Seven theme.