a numeric time
          zone offset.
        </p>
        <p>
          This is specified using the following [[ABNF]] syntax description.
          The "time-hour", "time-minute", "time-second", "time-secfrac",
          "time-offset" and "full-date" constructs are as defined in
          [[RFC3339]].
        </p>
<pre>
as2-partial-time = time-hour ":" time-minute [":" time-second]
                   [time-secfrac]
as2-full-time    = as2-partial-time time-offset
as2-date-time    = full-date "T" as2-full-t