This is, perhaps, the most inconsequential of inconsequential problems…
Apehelion was yesterday, July 3 at roughly 20:00 UTC, at least according to the preponderance of evidence on the Internets… Yet My “Extra moon details” page says that Apehel is at something like 01:15 UTC on 5, July.
As I said…inconsequential… What setting do I have incorrect, or how is Apehel calculated? The first days of Spring, summer, etc appear correct, as does the eclipse dates.