Saros cycle series 162 for lunar eclipses occurs at the moon's ascending node, 18 years 11 and 1/3 days.
Saros cycle series 147 for lunar eclipses occurs at the moon's descending node, repeats every 18 years 11 and 1/3 days.
With the glut of production of anime since the late 1990s, many short cycle (3-6 month) series have come to find their broadcast niche in independent UHF stations.
