touch -a -m -t 201512180130.09 fileName.ext

Where:

  -a = accessed
  -m = modified
  -t = timestamp - use [[CC]YY]MMDDhhmm[.ss] time format
voorbeeld op Homebase, backupfiles focus
  975  touch -a -m -t 201701070310.00 ./20170106.2330-*
  976  touch -a -m -t 201701060310.00 ./20170105.2330-*
  977  touch -a -m -t 201701050310.00 ./20170104.2330-*
  978  touch -a -m -t 201701040310.00 ./20170103.2330-*
set date on Homebase Nas
  892  date -s "16 AUG 2016 09:26:00"