In Context The Moon Is For The Appointed Times of The Night Creatures
19 He created the yarayach for moadim: the shemesh knows its going down.[3880]
Psalms (Tehillim) 104:19 RSTNE 7th Edition
[3880] In context the moon is for the appointed timed of the night creatures, as seen is verses 20-22; this has nothing to do with the moon being used to determine feasts or shababts, as it is not a light nor does it rule the night sky.Glossary of Hebrew Words:
Yarayach (H) The Moon NOT Month
Moadim (H) The Appointed Times, Or Eternal Feasts of YHUH (Plural)
Shemesh (H) Sun
Restoration Scriptures True Name 7th Edition