jhead -n%Y/%Y%m%d-%H%M%S *.jpg

rename jpg to year month day time and put to year folder

#!/bin/bash
#jhead -n%Y-%m/%Y%m%d-%H%M%S *.jpg <-- sort month-year
#jhead -n%Y/%Y%m%d-%H%M%S *.jpg <-- sort year
#jhead -dsft *.jpg <-- file modified to exif