=LET(phase,MOD(ROUND(MOD(NOW(),29.5275)/3.691,0)-2,8)+1,UNICHAR(127760+phase)))
0. https://swiftpackageindex.com/mannylopez/TinyMoon/
$ curl wttr.in/Moon
=LET(phase,MOD(ROUND(MOD(NOW(),29.5275)/3.691,0)-2,8)+1,UNICHAR(127760+phase)))