$ curl https://secure.lab.test/
curl: (60) SSL certificate problem: certificate is not yet valid
$ openssl x509 -in /etc/nginx/tls/secure.crt -noout -dates
notBefore=Oct 19 09:00:00 2026 GMT
notAfter=Jan 17 09:00:00 2027 GMT
$ date
Sun Jan 4 12:00:00 UTC 2026