Date formatting is the source of so many of these headscratchers :(<p>I&#x27;m reminded of the difference between &#x27;yyyy&#x27; and &#x27;YYYY&#x27; <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=8810157" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=8810157</a>