Certificate expiration is limited to 13 months by android browsers

[olivierboudet]

Chromium on android (at least) shows a "ERR_CERT_VALIDITY_TOO_LONG" error when the certification expiration is more than 397 days.

[Raithmir]

Only for Public CA's. https://chromium.googlesource.com/chromium/src/+/HEAD/net/docs/certificate_lifetimes.md

"This will only apply to TLS server certificates from CAs that are trusted in a default installation of Google Chrome, commonly known as “publicly trusted CAs”, and will not apply to locally-operated CAs that have been manually configured."