Once the calendar changed over 2018 LR started lumping all images under 2018 and not by folder date.
I have never had this problem on the year change.
How do I fix?
Sorry, but I don't understand exactly your problem. Can you please give us a detailed description and/or a screenshot in which we see what you mean.
Although you don't say this specifically, I assume you mean things are not importing into the proper folder(s).
The settings in your import dialog box under Destination are not correct. If you fix the settings, things will work properly.
Thanks! Got it.