Run the following commands in a terminal to set the ComfilePi's date and time and save it to the ComfilePi's RTC.
# Disable synchronization with the time server sudo timedatectl set-ntp false # Set the date and time (January 1st 2020 5:30am) sudo timedatectl set-time '2020-1-1 5:30:00' # Write the date and time to the RTC chip sudo hwclock -w