How to find the expiration date of certificate in EBS R12.2

Steps to find the expiration date of certificate file $NE_BASE/inst/$CONTEXT_NAME/certs/Apache/cwallet.sso

$ cd $NE_BASE/inst/$CONTEXT_NAME/certs/Apache

$ alias orapki=$FMW_HOME/oracle_common/bin/orapki

$ orapki wallet display -wallet ./cwallet.sso     

                                                          -- Note: file cwallet.sso does not ask for the password

Requested Certificates:

User Certificates:

Subject:        CN=siteName.domian.com,O=CompanyName,L=cityName,ST=AZ,C=US

Trusted Certificates:

Subject:        CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Subject:        CN=CompanyName Secure CA2,O=ComanyName,C=US

$ orapki wallet export -wallet ./cwallet.sso -dn "CN=siteName.domian.com,O=CompanyName,L=cityName,ST=AZ,C=U" -cert siteName_certs.cer

$ orapki cert display -cert ./siteName_certs.cer -summary

Subject:       CN=siteName.domian.com,O=CompanyName,L=cityName,ST=AZ,C=US  

Issuer:         CN=CompanyName Secure CA2,O=ComanyName,C=US

Valid Until:    Fri Jul 16 19:59:59 EDT 2021