Search Results

Those results may depend on the time that you issue the find command. man find:

Please specify your operating system details along with your shell.

mtime - modified time- time the file has been written / deleted from, displayed as Modify: ... using stat command against...

Based on this

drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 09:44 2020-04-17
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 09:44 2020-04-16
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 09:44 2020-04-20...

man bash:

So one [0-9] means one character from (the range) 0 through 9.