Solar & Lunar Returns
Forecast your personal astrological year: pinpoint the exact second of the Sun's return, analyze house overlays, and optimize your birthday relocation
✓ Instant precise calculation with no mandatory signup
- ✓ Newton's iteration method via Swiss Ephemeris: exact return moment to sub-second precision
- ✓ Full relocation support: recalculate houses for any destination worldwide
- ✓ Detailed cross-overlay table: solar cusps and planets placed into natal houses
- ✓ Local time conversion using authoritative IANA timezone database
Why This Technique Matters
Prognostics & Event Timing · Astroprognostic
Your real year begins on your Solar Return
The astrological year starts when the Sun hits the exact arcsecond of your natal position, setting the master theme for the next 12 months.
Birthday destination optimization (Relocation)
Because house cusps depend on geographic coordinates, spending your birthday in another city can shift heavy planets away from vulnerable houses into empowering angles.
Lunar returns for monthly focus
The Moon returns every 27.3 days, outlining emotional and practical rhythms for the upcoming 4 weeks.
✅ What the Engine Calculates
- Newton's iteration method via Swiss Ephemeris: exact return moment to sub-second precision
- Full relocation support: recalculate houses for any destination worldwide
- Detailed cross-overlay table: solar cusps and planets placed into natal houses
- Local time conversion using authoritative IANA timezone database
✕ Can't do:
- Doesn't show WHEN inside the year/month a specific event fires — the return is a static snapshot; for timing inside the period you need transits.
- The "current" solar return is the PREVIOUS birthday, not the next one, if this year's birthday hasn't happened yet.
How to Use in Astroprognostic
3 простых шага для построения и интерпретации в сервисе
Select Forecast Year
Open your chart and navigate to ☀️ Returns in the sidebar (hotkey S).
Set Birthday Location
Defaults to birth location or enter any planned travel destination.
Examine Solar Angles & Cusps
Inspect where the Solar Ascendant and Midheaven fall across your natal houses.
Case study: How celebrating a birthday in Rome reshaped a career
At home, the client's Solar Return placed Mars and Saturn in the 6th house of illness. By flying to Rome, Jupiter shifted directly onto the Solar Midheaven (MC). The year yielded an international business expansion rather than health hurdles.
Frequently Asked Questions
Does birthday travel change the entire year's theme?
Yes. The house cusps are locked at the exact second the Sun returns for that geographic location.
Does Solar Return happen at my exact birth time?
No. Due to leap years, it occurs within roughly ±1 day and at a different hour.
When does a Solar Return take effect?
Its energetic influence begins building 1–2 months prior and peaks on the return date.
Try Free on Your Chart Online
Instant precise calculation with no mandatory signup