Freezing time, sims still move

itsdama​  This means that something about the old save is broken, but not necessarily the entire save.  The next step is to load your old save and play with your sims on a different lot, either a blank one or a default EA build.  (Don't add anything from the Gallery or your own library.)  If the save runs fine, the problem was on the old lot.  If it doesn't, try emptying your sims' inventories too.  If that doesn't work either, test a different, previously unplayed, household in that same save.

You don't need to save your progress during these tests, or you can use "save as" and rename the save so you don't overwrite your original.  The idea is to narrow down the source of the issue, then address only that and otherwise leave the save intact.

Additionally, if you notice the save freezes at the same sim-time during each test, let me know when that is.  As an example, some players are seeing the game freeze right after midnight, with the cause being MCCC auto-marrying sims.  Disabling that feature gets them through the freeze.  There's an underlying issue with marriages that is not caused by MCCC, but the mod is triggering the error by marrying off sims.