Isaac Newton was born on 25 December 1642 by the calendar used in England at the time, which corresponds to 4 January 1643 in the modern calendar, and he was born at Woolsthorpe Manor in Woolsthorpe-by-Colsterworth, Lincolnshire, England.

Birth details

Fact| Answer
---|---
When| 25 December 1642 (Old Style) / 4 January 1643 (New Style) 17
Where| Woolsthorpe Manor, Woolsthorpe-by-Colsterworth, Lincolnshire, England 13

Notes

  • Many modern sources use the Gregorian date, 4 January 1643, while older English records use 25 December 1642.
  • Both dates refer to the same birth event.