Answer in Details
By adorning the crescent moon, Lord Shiva demonstrates his mastery over time and change—he is beyond the limitations of time and is the eternal, unchanging reality (Sanatana). The moon also signifies coolness and calmness, reflecting Shiva’s serene and composed nature even amidst chaos.
Additionally, the crescent moon is associated with the Soma, the divine nectar of immortality, linking Lord Shiva to the source of life and rejuvenation. Thus, the crescent moon is a profound emblem of Lord Shiva’s transcendence, grace, and his role as the cosmic regulator.