Free Self-Discovery Tool
Free Neptune in Aries calculator: which house Neptune transits in your birth chart from January 26, 2026 to March 23, 2039, the natal planets it conjoins, squares and opposes, and the exact dates of every pass.
Neptune does not destroy the house it crosses; it blurs it until you can no longer pretend the old shape fits. In the 1st it is the image others project onto you; in the 4th, the home that becomes a sanctuary or a fog; in the 7th, the partner you idealise; in the 10th, the vocation that calls and the public role that turns out to be a projection. Aries wants a clear fight and Neptune removes the enemy. The calculator names your house from your birth chart, shows the whole-sign house beside it when the two differ, and reads the thirteen years in its terms.
Neptune moves about two degrees a year, so a crossing is a tide rather than a day: three exact passes spread over more than a year, with the year between them the part you feel. The calculator solves every crossing of your house cusps and every conjunction through September 2036 from the ephemeris, marks the passes already behind you, and lists contacts in the last degrees of Aries without a date. What to keep real while the tide is in is written in the reading that follows.
Whichever house Aries occupies in your birth chart, which depends on your Rising sign and exact birth time. Enter your details above and the calculator names the house in your chart system and in whole-sign houses, and dates the crossing if Aries straddles a cusp.
Neptune first entered Aries on March 30, 2025, backed into Pisces on October 22, 2025, re-entered Aries on January 26, 2026, first enters Taurus on May 22, 2038, backs into Aries on October 21, 2038, and enters Taurus to stay on March 23, 2039. It stations retrograde each July and direct each December. The dates come from the Swiss Ephemeris.
Then Neptune sits on them exactly, three times over more than a year, and nobody feels the day while everybody feels the year. The calculator dates every pass through 2036 and lists any later contact without a date. Planets in Libra are opposed and planets in Cancer or Capricorn are squared, each exact at least once during the transit.
For the house, yes: the houses turn with the clock. The planet contacts and the dates need only the date and place.