[Data-modeling] Date/Time type requires a specific year when all I want is to capture a yearly calendar event

[John Giannandrea]

Gordon Mackenzie wrote:
> For Meteor Showers, there is a range of dates the shower occurs within
> and a peak date when the Zenithal Hourly Rate

Gordon,
MQL datetimes are a strict subset of ISO 8601 syntax.  Currently you  
cant use them to specify a day of the year without the year.

The ISO spec does in fact allow this with what it calls 'truncated'  
dates. The syntax would be something like "--02-14" which would mean  
February 14th of any year.

Ideally we could support this and then allow matching these values  
against fully qualified dates which is the anniversary problem.  It is  
an excellent feature request.

-jg


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