Day 1–71
Sun, Moon, Ascendant
- The three pillars
- Elements and modalities
- House framework
Astrology · Houses
The 1st house
and your sign
The 1st house rules the life area of "Identity & self". Which sign sits on your 1st cusp shapes how you approach it. Enter your birth data and find out.
House cusps need your date, time and birthplace.
How it works
Three steps to your 1st cusp
Enter your birth data
House cusps depend on time and place — we need your date, time and birthplace.
Calculate the houses
We use the Swiss Ephemeris engine (Placidus), arc-second accurate, free.
Read the meaning
You see your cusp sign — and read what the 1st house means for you.
The 1st house — frequently asked questions
- What does the 1st house rule?
- The 1st house rules the life area of "Identity & self". It shows where and how this theme plays out in your life.
- Do I need my birth time?
- Yes. House cusps depend directly on your birth time and place. Without an accurate time the cusp cannot be determined.
See your whole chart
The 1st house is one part of twelve. Build your full birth chart — free.
Build my birth chartFree, no sign-up.
The Astro Academy
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5 minutes a day · quizzes, spaced review, streaks. Astrology, tarot, runes and numerology — structured from the ground up.
Day 8–142
Planets and their roles
- Personal planets
- Social & transpersonal
- Reading retrogrades
Day 15–213
Aspects and transits
- Spotting aspects
- Reading transits
- Working with moon phases
Day 22–304
Reading your own chart
- Chart synthesis
- Houses in daily life
- Your daily practice
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