Imported blog comments are out of order

I just migrated a blog from a Blogger account. The one hiccup I don’t know how to fix is that comments are out of order. Specifically, some comments precede the comment they’re replying to. Obviously this is confusing.

It appears that at some point in translation, all these comments were given the same date and time. Is there a way to directly change the comment order, or at least to edit the dates/times?

Any other thoughts? I’m hoping to do this without a deep dive into the database, where I’ll probably lose my mind.