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[CF-metadata] New standard name: datetime_iso8601

From: John Caron <caron>
Date: Sat, 23 Feb 2013 14:26:19 -0700

I think this is a good idea.

I would let it be used for datetime coordinate variables (what is
argument against that?)

I would not restrict to Gregorian calendar - let it apply to whatever
calendar is being used.

On 1/11/2013 10:00 AM, Aleksandar Jelenak - NOAA Affiliate wrote:
> Dear All:
>
> Here's the modified proposal for the datetime_iso8601 standard name:
>
> standard_name: datetime_iso8601
>
> Units: N/A
>
> String representing date-time information according to the ISO
> 8601:2004(E) standard. Variables with this standard name cannot serve
> as coordinate variables. Date-time information is in the Gregorian
> calendar. For dates preceding the Gregorian calendar the date-time
> information is in the proleptic Gregorian calendar. Possible date-time
> string forms are:
>
> <datetime> = <date> "T" <time> <timezone> ;
>
> <date> = YYYY "-" MM "-" DD | YYYY "-" DDD ;
>
> <time> = hh | hh ":" mm | hh ":" mm ":" ss | hh ":" mm ":" ss "." S
> | hh ":" mm ":" ss "," S ;
>
> <timezone> = "" | "Z" | "+" hh | "+" hh ":" mm | "-" hh | "-" hh ":" mm
>
> Where:
>
> * "YYYY" is a four-digit year (0000-9999).
>
> * "MM" is a two-digit month of the year (01-12).
>
> * "DD" is a two-digit day of the month (01-31).
>
> * "DDD" is a three-digit ordinal day of the year (001-366).
>
> * "hh" is a two-digit hour (00-23).
>
> * "mm" is a two-digit minute (00-59)
>
> * "ss" is a two-digit second (00-59).
>
> * "S" is one or more digits representing a decimal fraction of the
> second.
>
> * The value of any designator when not specified is zero.
>
> * If <timezone> is ommitted the default value is "Z".
>
>
> -Aleksandar
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>
Received on Sat Feb 23 2013 - 14:26:19 GMT

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