How obtain program build time

Is there a way to get the date and time when a delphi program was built at
run-time?

For example, to include this in an about box, without having to adapt some
label manually:
BldLabel.Caption := MyMagicFunctionOrConstantToGetTheBuildDate

Thanks, Guy
e-mail: g...@e2s.nospam.be (remove .nospam)