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And that question is certainly relevant for the more spiritual and pagan side of this deck. In terms of timing, this card would indicate Lammas - the first harvest at the start of August in the Northern Hemisphere. There is also the notion of the Summer King, in the form of corn and other vegetation that is harvested and stored, being sacrificed for people to live through the winter. So, a reminder to think of the spiritual lessons to be learned from painful situations, and of the long-term effects of short-term unpleasantness.
I said that in this deck, the Scythe represents August Eve and the time around it. Obviously, some people already have a particular system for calculating timings. Personally, my favourite is Treppner's (general link, the info is in her German books and in her course, which is also available in English). I find her system logical and clear, however it is a little complex and not very intuitive.
Once again, this is an aspect of the deck which you can take or leave. I hope to offer an intuitive timing aspect based around the pagan calendar, but there's nothing on the cards that says they have to be read that way :)