stat -c "%y %n" * | head
stat -c "%y %n" * | awk -F"[ :]" '$2>=9&&$2<17||$2==17&&$3<=30{print $6}' | xargs -i cp {} /somewhere/else
find . -type f -exec stat -c "%y %n" {} \; | awk -F"[ :]" '$2>=9&&$2<17||$2==17&&$3<=30{print $6}'