[1] 
[CITE[The McKenna-Meyer Goddess Calendar]], [TIME[2020-06-19T05:17:19.000Z]], [TIME[2023-03-15T09:31:13.057Z]] <https://www.fractal-timewave.com/mmgc/mmgc.htm>

[2] >>1 のサイトに実装があります。

[3] [CITE[Find Your Goddess from your birthdate]], [TIME[2023-03-15T09:34:02.000Z]] <https://www.fractal-timewave.com/mmgc/find-your-goddess.php>