It is haiku. Haiku doesn't have to be 5-7-5.
I can only say, mea culpa! Too much time songwriting lately :-)
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
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