Problem
You would like to find the files modified between certain times using find
Solution
Use the following find command using the -newerXY parameter to specify times you want to look for (ie betwen 2019-09-23 06:00:00 and 2019-09-23 10:00:00)
find . -type f -newermt "2019-09-23 06:00:00" ! -newermt "2019-09-23 10:00:00" | xargs ls -tral