The Sun passes in front of Gemini from June 20, 1912 at 16:06 UTC — 27.9° of its path, about 28 days. Astrology calls most of this time Cancer: precession has carried the signs about a month ahead of the stars they were named for. Boundaries: the International Astronomical Union's (Delporte, 1930). Stars on the timeline: d3-celestial, © Olaf Frohn (BSD licence). Chart: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg), CC BY 3.0. https://commons.wikimedia.org/wiki/File:Gemini_IAU.svg