“time on 2020 macbook air loses time: My 2020 macbook air loses time at random times and I have to restart computer. It is on automatic settings so I am not sure if it has to do with battery or something else. It is a refurbished mac that I bought from a private computer store.”
———-
Thank you clarifying.
Mac Intermittently Resetting Time:
Try these four command lines in Terminal. You’ll need to enter the administrator after using each in. To open Terminal, go to: Applications > Utilities
sudo rm /etc/ntp.conf
sudo rm /var/db/timed/com.apple.timed.plist
sudo sntp -sS time.apple.com
Source: MacBook Air time keeps changing automatically - Apple Community