[Cbor] draft-ietf-cbor-date-tag-02 - handling of time zone offsets

[Juergen Schoenwaelder <[e-mail]>]

Hi,

I just saw your CBOR date type and it seems it does not include a
timezone offset. This means a date value does not represent a 24 hour
time interval but something larger. XML schema's date type allows the
optional inclusion of a timezone offset. The date definition in
draft-ietf-netmod-rfc6991-bis-03.txt (still under discussion) includes
a mandatory timezone offset (since it was already mandatory for
date-and-time). I do not know whether we should have a common approach
for this.

Note that your 'number of days since the epoch 1970-01-01 does not
really say 1970-01-01T00:00:00 and also leaves it open whether this is
calculated in UTC or not (on Unix-like systems, time is usually
counted in UTC).

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: [phone]         Campus Ring 1 | 28759 Bremen | Germany
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