Selecting a date on the popup calendar highlights that date with a border and the day before in a solid color for some reason. See video here:
Sorry, failed to reproduce
Which browser do you use?
Chrome - latest version on Windows
But I’m able to reproduce it in both Edge (no addons) and Firefox:
Could it be a timezone specific issue or something? I am in US eastern time.
I was able to reproduce it as well, Google Chrome on Windows 10 here.