OK, this helped. I looked in the /etc/argoneond.py script and found this on line 33…
# PCF8563 number system Binary Coded Decimal (BCD)
I recognized PCF8563 as an RTC chipset from previous research. I added the following to /boot/config.txt…
dtoverlay=i2c-rtc,pcf8563
After rebooting, dmesg | grep rtc shows the following…
[ 8.433407] rtc-pcf8563 1-0051: registered as rtc0
[ 8.434654] rtc-pcf8563 1-0051: setting system clock to 2022-08-11T23:46:16 UTC (1660261576)
sudo hwclock -r returns the date and time…
2022-08-11 19:47:27.485806-04:00
timedatectl now shows an actual time for RTC time instead of n/a…
Local time: Thu 2022-08-11 19:47:35 EDT
Universal time: Thu 2022-08-11 23:47:35 UTC
RTC time: Thu 2022-08-11 23:47:36
Time zone: America/New_York (EDT, -0400)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
So thanks @BlackRose67…you gave me the nudge I needed!