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Does wall clock time matter for anything but logging? For everything else one could just create any form „time“ to keep stuff in sync, no?

Isn't it also useful for checking validity periods for stuff like TLS certs or JWTs or Kerberos tickets?

We could use some made up „time“ for that since it’s not made for human consumption just sync between different systems.

I suppose this is changing with TLS certs moving towards ephemerality, but they used to have an entry on someone's calendar for renewal.