On Tue, 16 Nov 2010 15:36:41 -0500, Bruce D'Arcus wrote
> I notice that the current EDTF draft lists seasons (Spring, Summer,
> etc.) as "features that have been mentioned during development of 
> this specification but have not been included." Why is this the case?
> The use case is periodical issues that often have cover dates such as
> "Summer, 2000" or "Spring/Summer, 1999".
> Bruce

The official start of Summer in Australia is December 1st and ends at the end
of Feb or early March. They use a meteorological definition. In the United
States, by contrast, Summer spans from the Summer Solstice to Fall Equinox
(20/21 June to 22/23 September). In Ireland Summer starts 1 May--- 1 month
before the meteorological start. 

The sentence "Summer, 2000" is thus not well defined. One would need to say


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