Solar festivals, 8 times per year
Lunar services, 4 times per month
During this time, devotees are advised not to begin anything which should come to fruition.
Other astronomical events
sourceHe talked about terrible meetings in lonely places, of cyclopean ruins in the heart of the Maine woods beneath which vast staircases led down to abysses of nighted secrets, of complex angles that led through invisible walls to other regions of space and time, and of hideous exchanges of personality that permitted explorations in remote and forbidden places, on other worlds, and in different space-time continua.