setfile

Sets file attributes on files in an HFS+ directory. More information: https://ss64.com/osx/setfile.html.

• Set creation date for specific files:
  setfile -d "{{MM/DD/YYYY HH:MM:SS}}" {{path/to/file1 path/to/file2 ...}}
• Set modification date for specific files:
  setfile -m "{{MM/DD/YYYY HH:MM:SS}}" {{path/to/file1 path/to/file2 ...}}
• Set modification date for symlink file (not to linked file itself):
  setfile -P -m "{{MM/DD/YYYY HH:MM:SS}}" {{path/to/file1 path/to/file2 ...}}