Could time node have an option to ignore unknown or unavailable like events:state

[alvinchen1]

I have a few time nodes whose entities are sometimes unknown or unavailable and debug gives the error

"ConfigError: Unavailable"
or
"ConfigError: Invalid date: unknown"

Was wondering if it is possible for time node to have the option like event:state does of Ignore when Unknown or Unavailable?

The addition of Ignore Past removed SO many of my other errors as well and this would kill the last of my unnecessary errors.

Thanks so much for your great work!