I got this from wikipedia

Proponents of medieval astrology suggest that the Pisces world where religion is the opiate of the masses will be replaced in the Aquarian Age by a world ruled by secretive, power-hungry elites seeking absolute power over others; that knowledge in the Aquarian Age will only be valued for its ability to win wars; that knowledge and science will be abused, not industry and trade; and that the Aquarian Age will be a Dark Age in which religion is considered offensive.[13]

Another view suggests that the rise of scientific rationalism, combined with the fall of religious influence, the increasing focus on human rights since the 1780s, the exponential growth of technology, plus the advent of flight and space travel, are evidence of the dawning of the Age of Aquarius.[14][15]

A "wave" theory of the shifting Great Ages suggests that the Age of Aquarius will not arrive on a given date but is instead emerging in influence over many years, similar to how the tide surges forward incrementally rather than all at once.[16]

Rudolf Steiner believed that the Age of Aquarius will arrive in 3573. In Steiner's approach, each age is exactly 2,160 years. Based on this structure, the world has been in the Age of Pisces since 1413. Rudolf Steiner had spoken about two great spiritual events: the return of Christ in the ethereal world (and not in a physical body), because people must develop their faculties until they can reach the ethereal world; and the incarnation of Ahriman, Zoroaster's "destructive spirit" that will try to block the evolution of humanity.[17]