- string->rfc3339 strprocedure
Parses an RFC3339 format date like yyyy-mm-ddThh:mm:ss(.sss...)(Z|[+-]hh:mm) and returns an rfc3339 record or #f if the parse failed. All fields except the fractional second part are required; if omitted, fractions is set to zero. The parser permits "T" and "Z" to be lowercase.
The parser does not reject numbers that are out of range, as long as the date is formatted correctly; in other words, two-digit fields may range from 0-99. The resulting record is not normalized. However, values will be normalized when converted into seconds since epoch or a time vector.