TLS Certificate Lifetimes Will Officially Reduce to 47 Days.

From today until March 15, 2026, the maximum lifetime for a TLS certificate is 398 days.
As of March 15, 2026, the maximum lifetime for a TLS certificate will be 200 days.
As of March 15, 2027, the maximum lifetime for a TLS certificate will be 100 days.
As of March 15, 2029, the maximum lifetime for a TLS certificate will be 47 days.

Damit wird die Automatisierung der Zertifikatserneuerung quasi erzwungen.