Martin, On 03/18/2011 04:11 AM, Schultz, Martin wrote: > PS: I do disagree with Christopher when he says ''"30 days since 31 Jan 2008" > is perfectly well defined.'' - do you refer to 00 UTC or 12 UTC on 31 Jan > 2008? Or even 00:00 UTC or 01:02:30.3625132 h UTC? OK: if you define an > "oceanographic calendar" (where anything shorter than a day doesn't matter), > you could have a rule that all hours, minutes, seconds, milliseconds, etc. > are mapped onto one value (say 00:00:00 h UTC). But you will need to define > this rule in order to give a meaning to your calendar.
Just so you know, the UDUNITS package does assume the first day of the year at 00:00:00 UTC if additional resolution time-fields are omitted. This conforms to the ISO standard. Regards, Steve Emmerson _______________________________________________ CF-metadata mailing list CF-metadata@cgd.ucar.edu http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
