SOURCED NATAL CHART
Arthur Koestler Birth Chart
Virgo Sun, Sagittarius Moon, Libra Rising — calculated from the public birth record cited below.
Rotate, inspect houses, adjust orbs, and open every placement.
Open the interactive chartNo signup requiredBirth data used
- Date
- September 5, 1905
- Time
- 08:30
- Place
- Budapest, Hungary
- Timezone
- +01:00
- Coordinates
- 47.4980, 19.0410
- House system
- Placidus
Arthur Koestler's Big Three
Sun
Virgo Sun
Virgo 12.05°
Traditionally associated with discernment, craft, and attention to useful detail; this point describes identity and conscious direction.
Moon
Sagittarius Moon
Sagittarius 0.85°
Traditionally associated with candor, exploration, and a search for larger meaning; this point describes emotional rhythms and instinctive needs.
Rising
Libra Rising
Libra 18.67°
Traditionally associated with relationship awareness, proportion, and social intelligence; this point describes approach, presentation, and the chart's house structure.
This is an astrological interpretation of chart symbols, not a factual claim about Arthur Koestler's personality.
Planetary placements
| Point | Sign | Degree | House | Retrograde |
|---|---|---|---|---|
| Sun | Virgo | 12.05° | 11 | No |
| Moon | Sagittarius | 0.85° | 2 | No |
| Mercury | Virgo | 1.37° | 11 | Yes |
| Venus | Leo | 4.04° | 10 | No |
| Mars | Sagittarius | 8.48° | 2 | No |
| Jupiter | Gemini | 5.82° | 8 | No |
| Saturn | Aquarius | 28.56° | 5 | Yes |
| Uranus | Capricorn | 0.25° | 3 | Yes |
| Neptune | Cancer | 10.00° | 9 | No |
| Pluto | Gemini | 22.68° | 9 | No |
| North Node | Leo | 29.36° | 11 | Yes |
| Chiron | Aquarius | 2.02° | 4 | Yes |
Houses
| House | Sign | Degree |
|---|---|---|
| House 1 | Libra | 18.67° |
| House 2 | Scorpio | 15.24° |
| House 3 | Sagittarius | 17.26° |
| House 4 | Capricorn | 23.42° |
| House 5 | Aquarius | 27.67° |
| House 6 | Pisces | 26.09° |
| House 7 | Aries | 18.67° |
| House 8 | Taurus | 15.24° |
| House 9 | Gemini | 17.26° |
| House 10 | Cancer | 23.42° |
| House 11 | Leo | 27.67° |
| House 12 | Virgo | 26.09° |
Major aspects
| Aspect | Orb |
|---|---|
| Moon Square Mercury | 0.52° |
| Mercury Trine Uranus | 1.11° |
| Moon Sextile Chiron | 1.17° |
| Saturn Sextile Uranus | 1.69° |
| Venus Sextile Jupiter | 1.77° |
| Venus Opposition Chiron | 2.03° |
| Sun Sextile Neptune | 2.05° |
| Moon Square Saturn | 2.29° |
| Mars Opposition Jupiter | 2.66° |
| Mercury Opposition Saturn | 2.81° |
| Moon Trine Venus | 3.19° |
| Sun Square Mars | 3.58° |
| Jupiter Trine Chiron | 3.80° |
| Venus Trine Mars | 4.43° |
| Mercury Square Jupiter | 4.45° |
| Moon Opposition Jupiter | 4.97° |
| Saturn Trine Pluto | 5.87° |
| Sun Square Jupiter | 6.23° |
| Uranus Opposition Pluto | 7.57° |
| Moon Conjunction Mars | 7.63° |
Birth-data source and confidence
Publisher-reported Rodden rating AA · Rating supplied by the dataset publisher; AskCelesta has not independently inspected the original birth document.
This birth input comes from the VedAstro 15,000 Famous People Birth Date & Location dataset, published under the MIT license. Dataset record: ArthurKoestler1905. The rating is carried forward from that dataset; AskCelesta has not independently verified the underlying certificate or record. Corrections are welcome. A chart is only as precise as its recorded birth time.
Calculation and reading disclosure
AskCelesta calculates the chart from date, local time, place coordinates, timezone, and the displayed house system. Planetary positions and aspect geometry are calculated by software. Interpretations describe traditional astrological symbolism and may include AI-assisted text; they are not scientific findings or predictions.