rectification
Rectify the birth time
Birth time barely moves the planets but sweeps the angles a full degree every four minutes. Enter known life events and Asteria scores candidate times by how tightly each chart's solar-arc directions to the Ascendant and Midheaven fall on those dates.
1Gather
Birth window and events
The range you know, plus dated life events the chart should explain.
window
12:00 ±2h
eventsadd up to three dated events below
2Rank
Candidate times
Each minute scored on how well its angles fire on your dates.
Submit events to rank candidates.
3Fit
Best fit
The tightest mean orb across your dated events.
Score candidates to see a best-fit time here.
All candidate birth times
12:00 as entered, stepped ±2h either side.
| Birth time | Ascendant | Midheaven | Event fit |
|---|---|---|---|
| 10:00 | 12° Cancer | 9° Pisces | · |
| 10:10 | 14° Cancer | 12° Pisces | · |
| 10:20 | 16° Cancer | 15° Pisces | · |
| 10:30 | 18° Cancer | 18° Pisces | · |
| 10:40 | 20° Cancer | 20° Pisces | · |
| 10:50 | 22° Cancer | 23° Pisces | · |
| 11:00 | 24° Cancer | 26° Pisces | · |
| 11:10 | 25° Cancer | 28° Pisces | · |
| 11:20 | 27° Cancer | 1° Aries | · |
| 11:30 | 29° Cancer | 4° Aries | · |
| 11:40 | 1° Leo | 7° Aries | · |
| 11:50 | 3° Leo | 9° Aries | · |
| 12:00 as entered | 4° Leo | 12° Aries | · |
| 12:10 | 6° Leo | 15° Aries | · |
| 12:20 | 8° Leo | 17° Aries | · |
| 12:30 | 10° Leo | 20° Aries | · |
| 12:40 | 12° Leo | 23° Aries | · |
| 12:50 | 13° Leo | 25° Aries | · |
| 13:00 | 15° Leo | 28° Aries | · |
| 13:10 | 17° Leo | 1° Taurus | · |
| 13:20 | 19° Leo | 3° Taurus | · |
| 13:30 | 20° Leo | 6° Taurus | · |
| 13:40 | 22° Leo | 9° Taurus | · |
| 13:50 | 24° Leo | 11° Taurus | · |
| 14:00 | 26° Leo | 14° Taurus | · |