I don’t have a conversion such as your asking. But I’m wondering to which clock are you referring - houston, orbiter, lunar module?
Each had a clock and each would have a variance to the other depending on their relative motion over time.
When you say ground time are you referring to houston or the lunar module?
(Is there a translation button for this thread?)
What I’m after is, Houston central standard or central daylight time as it converts to mission elapsed time. For instance, when the crew of Apollo 8 started reading Genisis at, say, MET 75:23:19, what did that translate to in Houston central standard time. I admit this seems a bit tricky tack but it’s something I’ve had a fascination with since following the space program.