It's quite common to want to filter on a given anniversary.
If you want to specify the anniversary for some "static" date like Festivus:
andthese together in your definitions.
Here is how this might appear when specified in JSON:
This is a relatively easy recipe, but it's included anyway.
If you want to specify the typical summer months in the northern hemisphere:
If you want to specify the typical summer months in the southern hemisphere:
In addition to the seasons being different between earth's hemispheres, not everyone agrees on which months constitute a given season. 🤓