Foldout calendar or pages 
That is very small font icons of 100 years of moon cycles 
2020 to 2120 
Or 2000 to 2100 

With the year numbers peppered in programatically where they fall

Making it with a p5 script and svgs

It accordions out 

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Map one param to the index of the 100 year moon cycle 

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Cicada module that changes every 17 years or something