RFC 9557 / IXDTF

Hello,

does postgres consider some sort of implementation of rfc9557 IXDTF?
This is new time internet time format which extends timestamps with 
timezone info together with the offset
- https://datatracker.ietf.org/doc/html/rfc9557
- https://en.wikipedia.org/wiki/RFC_9557#Usage

If not, is there some suggestion on how to best store information like 
this?

Thanks,
Miroslav