Retrograde Calendar 1900
When each planet appears to move backward from Earth, the themes it rules turn inward for review. Below is every retrograde period in 1900 with the exact station dates (when the planet turns retrograde, then direct again).
No planets are retrograde at the moment of viewing — a rare all-direct sky.
Mercury Retrograde 1900
The most-watched retrograde — back up devices, double-check travel and re-read before you sign. Mercury retrogrades 3 times this year. (The shadow is the zone Mercury re-treads before and after the retrograde — effects ease in and out across it.)
Shadow: March 1, 1900 → April 26, 1900
Shadow: June 30, 1900 → August 25, 1900
Shadow: October 21, 1900 → December 17, 1900
All retrogrades in 1900
Deep psychological excavation — buried power, control and transformation themes resurface for healing.
The veil thins for inner work — dreams, intuition and illusions are re-examined; spiritual clarity deepens.
Communication, travel, tech and contracts snag — back up plans, re-read, re-check. A time to revise, not launch.
Inner awakening over outer rebellion — rethink where you crave freedom and how you innovate.
Growth turns reflective — re-examine your beliefs, studies and big-picture goals before expanding outward again.
The wounded healer turns inward — old hurts resurface so they can finally be integrated and healed.
Responsibilities and structures come up for review; karmic loose ends ask to be tied. Consolidate rather than build anew.
Love, money and values are revisited — old flames resurface and aesthetics shift. Reflect before redefining a relationship.
Communication, travel, tech and contracts snag — back up plans, re-read, re-check. A time to revise, not launch.
Deep psychological excavation — buried power, control and transformation themes resurface for healing.
The veil thins for inner work — dreams, intuition and illusions are re-examined; spiritual clarity deepens.
Communication, travel, tech and contracts snag — back up plans, re-read, re-check. A time to revise, not launch.
What each planet retrograde means
Frequently asked
When is Mercury retrograde in 1900?
Mercury is retrograde 1900 on March 15–April 7, 1900; July 18–August 11, 1900; November 9–November 29, 1900.
Station dates are computed to the day each planet's apparent motion turns (Swiss-Ephemeris precision, UT). See also Mercury Retrograde explained and the full astro calendar.
✦ This reading is computed from precise Swiss-Ephemeris astronomy and traditional Western astrology — offered for guidance & entertainment, not professional advice.
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