Livets Bog, vol. 3
The solstices and equinoxes of the 24-hour cycle
649. Just as the seasons of the year constitute principles that, as we have seen, are repeated in the cosmic spiral cycle and in the living beings' terrestrial life cycle, so too, are these principles repeated in the 24-hour cycle. A 24-hour period also has its "winter solstice", when darkness culminates, and its "summer solstice", when light reaches its peak. As can be seen from the symbol, these two "solstices" are expressed respectively as "midnight" and "midday". But just as there are two "solstices", there must naturally also be two "equinoxes", that is to say two intermediate stages where light and darkness are equally balanced on their journey towards each culmination. Of these two "equinoxes" the "vernal equinox" occurs at sunrise and the "autumnal equinox" at sunset.
Symbol by Martinus
Symbol no. 10
The Principle of the Cycle