Steps to reproduce:
- Open a page for editing in VE.
- Generate and add a reference for https://www.soeren-hentzschel.at/firefox/firefox-47-kann-artikel-vorlesen/
- Look at the date.
Expected: 2016-03-08 (after all, the source says <time property="datePublished" datetime="2016-03-08T01:16:07+01:00">8. März 2016</time>
Actual: 2016-03-07