On Oct 15, 2007, at 11:34 AM, Manu Sporny wrote:
I also couldn't find it in the ISO-8601 specification (page 31 and
32):
http://isotc.iso.org/livelink/livelink/4021199/ISO_8601_2004_E.zip?
func=doc.Fetch&nodeid=4021199
I didn't realize the actual ISO spec was available for free. Section
4.4.3.3 of that document covers the "Alternative Format" for duration
mentioned in Wikipedia:
The complete representation of the expression for duration in the
alternative format is as follows:
Basic format: PYYYYMMDDThhmmss or PYYYYDDDThhmmss
Extended format: PYYYY-MM-DDThh:mm:ss or PYYYY-DDDThh:mm:ss
That section also includes several references to other sections
defining date and time formats, including "reduced accuracy" formats
(i.e. removing segments with values of zero). So I believe "PT04:46"
is a valid ISO 8601 duration.
--
Scott Reynen
MakeDataMakeSense.com
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