Ada Lovelace — birth chart across three traditions
Born: 1815-12-10 (time unknown) · London, United Kingdom
Data source: Rodden X (no recorded time). An encyclopedic biography gives 10 December 1815 in its opening sentence and records no hour of birth.
Mathematician and writer known for her work on Charles Babbage's proposed analytical engine, including an algorithm written for that machine. She was the daughter of the poet Lord Byron and Annabella Milbanke. The source gives the date and city only, with no hour of birth.
Reading the chart
Sagittarius Sun — exact Moon sign unavailable because the birth time is unknown.
Mars carries unusual weight here — strong essential dignity (domicile); in its own domicile.
Stellium in Sagittarius: Sun, Mercury, Uranus, Neptune — a concentrated emphasis that colors the whole chart.
Fire is the leading element (60% weighted), while earth is least emphasized — a texture worth noticing, not a verdict.
Mutable modality leads: the chart's default rhythm is adapting — adjusting and redistributing energy.
Sun at 17°38′ Sagittarius: core identity, vitality and sense of purpose operates expansively, candidly, aimed at the far horizon — the keynote is meaning.
Moon: exact longitude and sign unavailable because the birth time is unknown. Daily interval 359.1214° → 11.2490° (Pisces → Aries).
Stellium in Sagittarius: Sun, Mercury, Uranus, Neptune — a concentrated emphasis that colors the whole chart.
Venus conjunction Jupiter (orb 0°44′, applying): Venus and Jupiter fuse — these functions operate as one package, for better and for richer.
Sun conjunction Neptune (orb 1°56′, applying): Sun and Neptune fuse — these functions operate as one package, for better and for richer.
Mars trine Neptune (orb 0°49′, separating): Mars and Neptune flow — support arrives so easily it can be taken for granted.
Western natal chart
Sun Sagittarius 17°37′ · Moon Pisces or Aries (daily interval) · Ascendant omitted (birth time unknown) — Placidus houses, tropical zodiac.
| Body | Sign | House | Dignity | Motion |
|---|---|---|---|---|
| Sun | Sagittarius 17°37′ | — | peregrine | direct |
| Moon | Pisces or Aries (daily interval) | — | — | indeterminate |
| Mercury | Sagittarius 0°28′ | — | detriment | direct |
| Venus | Scorpio 1°30′ | — | detriment | direct |
| Mars | Aries 20°22′ | — | domicile | direct |
| Jupiter | Scorpio 2°14′ | — | peregrine | direct |
| Saturn | Aquarius 8°34′ | — | domicile | direct |
| Uranus | Sagittarius 7°47′ | — | — | direct |
| Neptune | Sagittarius 19°34′ | — | — | direct |
| Pluto | Pisces 20°53′ | — | — | direct |
Strongest aspects
- Venus ☌ Jupiter (conjunction, orb 0.7°)
- Sun ☌ Neptune (conjunction, orb 1.9°)
- Mars △ Neptune (trine, orb 0.8°)
- Sun △ Mars (trine, orb 2.7°)
- Neptune □ Pluto (square, orb 1.3°)
- Sun □ Pluto (square, orb 3.3°)
- Saturn ⚹ Uranus (sextile, orb 0.8°)
- Pluto □ North Node (square, orb 3.9°)
Chinese Bazi 八字 — the Four Pillars
Day Master: Yin Metal (辛). Luck pillars run backward. Hour pillar omitted — it needs the exact birth time.
| 乙亥 Yǐ Hài | 戊子 Wù Zǐ | 辛卯 Xīn Mǎo |
Luck pillars 大運
| From age | Year | Pillar | Ten God |
|---|---|---|---|
| 0.9 | 1816 | 丁亥 | sevenKillings |
| 10.9 | 1826 | 丙戌 | directOfficer |
| 20.9 | 1836 | 乙酉 | indirectWealth |
| 30.9 | 1846 | 甲申 | directWealth |
| 40.9 | 1856 | 癸未 | eatingGod |
| 50.9 | 1866 | 壬午 | hurtingOfficer |
| 60.9 | 1876 | 辛巳 | friend |
| 70.9 | 1886 | 庚辰 | robWealth |
Vedic kundli ज्योतिष (sidereal, Lahiri)
Moon-dependent Vedic calculations are unavailable without an exact birth time; no local-noon Moon, nakshatra or dasha is published.
Vimshottari mahadashas
| Period lord | From | To | Years |
|---|---|---|---|
| Unavailable without an exact birth time | |||