Useful ls command to show readable file size and AM/PM:

# ls -h -l --time-style="+%F %r"

Here is an example of getting a list of files starting with maillog within a directory:

# ls -h -l --time-style="+%F %r" maillog* 
-rw-------. 1 root root 37M 2023-01-05 06:04:40 PM maillog
-rw-------. 1 root root 51M 2022-12-11 03:32:04 AM maillog-20221211
-rw-------. 1 root root 47M 2022-12-18 03:01:21 AM maillog-20221218
-rw-------. 1 root root 56M 2022-12-25 03:02:19 AM maillog-20221225
-rw-------. 1 root root 53M 2023-01-01 03:25:31 AM maillog-20230101

Here is another example of getting the list of all the files within a directory:

# ls -h -l --time-style="+%F %r" /var/log/audit/ 
total 34M
-rw-------. 1 root root 1.7M 2023-01-05 06:34:55 PM audit.log
-r--------. 1 root root 8.1M 2023-01-05 05:27:40 AM audit.log.1
-r--------. 1 root root 8.1M 2023-01-03 06:18:55 AM audit.log.2
-r--------. 1 root root 8.1M 2022-12-31 02:57:47 PM audit.log.3
-r--------. 1 root root 8.1M 2022-12-28 11:32:00 PM audit.log.4