Technical Summary:
In CBOR, one point of extensibility is the definition of CBOR tags.
RFC 7049 defines two tags for time: CBOR tag 0 (RFC 3339 date/time
string) and tag 1 (Posix "seconds since the epoch"). Since then,
additional requirements have become known. This specification
defines a CBOR tag for an RFC 3339 date text string, for applications
needing a textual date representation within the Gregorian calendar
without a time. It also defines a CBOR tag for days since the date
1970-01-01 in the Gregorian calendar for applications needing a
numeric date representation without a time. This specification is
intended as the reference document for IANA registration of the CBOR
tags defined.
Working Group Summary:
There was some discussion in the WG about the difference between calendar
days, for which this specification registers tags, and points in time. The chairs
have suggested that more text be added about it, see
https://mailarchive.ietf.org/arch/msg/cbor/Z4nwfurN7-L0l4uLPdR-XV91IGk/
Document Quality:
A number of WG participants have stated they have read and reviewed the
document. A WG participant has mentioned an implementation has been done.
Personnel:
Document Shepherd: Francesca Palombini
Responsible AD: Barry Leiba