Clockmaker
John Harrison
Solved the longitude problem with a sea clock accurate enough to navigate by, and spent forty years fighting the Board of Longitude to be paid for it.
John Harrison was an English joiner and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.
- Born
- 1693-04-03, Foulby, Yorkshire, EnglandA Friday
- Died
- 1776-03-24, London, EnglandA Sunday, aged 82
- At birth
- Sun in Aries, Moon in Pisces
- Nationality
- Kingdom of Great Britain
- Birth-time source
- No birth time on record: Rodden X
Born
Died
At birth
Nationality
Birth-time sourceBirth Chart
1693-04-03, Foulby, Yorkshire, England · time unknown, noon chart
Europe/Londonthe zone used then
Europe/LondonThe chart
| Body | Sign | Degree | Motion |
|---|---|---|---|
| Sun | Aries | 14°23′ | Direct |
| Moon | Pisces | 20°39′ | Direct |
| Mercury | Aries | 16°21′ | Direct |
| Venus | Pisces | 22°20′ | Direct |
| Mars | Pisces | 11°38′ | Direct |
| Jupiter | Gemini | 16°32′ | Direct |
| Saturn | Sagittarius | 23°11′ | Retrograde |
| Uranus | Gemini | 6°58′ | Direct |
| Neptune | Pisces | 20°28′ | Direct |
| Pluto | Cancer | 28°24′ | Retrograde |
Death Chart
1776-03-24, London, England · time unknown, noon chart
Europe/Londonthe zone used then
The chart
| Body | Sign | Degree | Motion |
|---|---|---|---|
| Sun | Aries | 4°25′ | Direct |
| Moon | Gemini | 5°33′ | Direct |
| Mercury | Pisces | 8°55′ | Direct |
| Venus | Aquarius | 28°43′ | Direct |
| Mars | Aries | 6°53′ | Direct |
| Jupiter | Gemini | 15°12′ | Direct |
| Saturn | Libra | 18°59′ | Retrograde |
| Uranus | Gemini | 3°29′ | Direct |
| Neptune | Virgo | 23°15′ | Retrograde |
| Pluto | Capricorn | 28°09′ | Direct |
Their Astrocartography
Where each planet sat on one of the four angles at the moment John Harrison was born. Tap a line to read what the tradition associates with it.
Cast for noon, as the birth time is unknown, so the longitudes are approximate.