Climacterial Periods

Years in life, which are multiples of seven or nine based on the Moon's progression and Saturn's transiting cycle. The progressed Moon squares its natal position approximately every seven years and trines it every nine. Transiting Saturn follows a similar cycle relative to its natal position. Thus, climacterial periods are ages 7, 9, 14, 18, etc.

Primary climacterial periods are the 49th, 63rd, and 81st years (doubly climacterial: 7 x 7, 7 x 9, 9 x 9). The 63rd year is known as the Grand Climacteric and, if aspects in the natal horoscope confirm, is considered a year when life may be endangered.