Well, as another datum, my search for an awk solution gave me exactly what I needed with your new feature (TFA). I did that before I saw this thread or had heard anything about the feature.
Thanks! As the community grows, I run into more and more IAs that I didn't know were live. This one really felt supernatural when I was searching for a genuine answer in a moment of confusion: https://duckduckgo.com/?q=12pm+noon+or+midnight%3F&ia=answer