In this case? Anachronistic still. Anachronistic just means something like "belonging to a different time period," and it doesn't strictly imply earlier or later.
From Oxford Languages:
>a·nach·ro·nism
noun
a thing belonging or appropriate to a period other than that in which it exists, especially a thing that is conspicuously old-fashioned.
"everything was as it would have appeared in centuries past apart from one anachronism, a bright yellow construction crane"
an act of attributing a custom, event, or object to a period to which it does not belong.
"it is anachronism to suppose that the official morality of the age was mere window dressing"
In this case? Anachronistic still. Anachronistic just means something like "belonging to a different time period," and it doesn't strictly imply earlier or later.