Internet Direct (Indy) Version 9.0.2 Beta
TIdX509.notAfter
Expiration date and time for the X.509 certificate.

property notAfter: TDateTime;
Description
notAfter is a read-only TDateTime property that represents the expiration date and time for the X.509 certificate. notAfter will contain 0.0 when the instance does not represent a valid X.509 certificate. notAfter is expressed in UTC (Universal Time Coordinates).