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A Roman numeral date converter translates calendar dates into Roman numeral notation (e.g. IX·IV·MMXXVI) and vice versa. It is used for inscriptions, cornerstones, clock faces, and formal documents.

Guía paso a paso

  1. 1Split date into day, month, and year components
  2. 2Convert each number using Roman numeral subtraction rule: IV=4, IX=9, XL=40, XC=90, CD=400, CM=900
  3. 3Combine with separator dots, hyphens, or slashes per tradition

Ejemplos resueltos

Entrada
Date: 9 April 2026
Resultado
IX · IV · MMXXVI
2026 = MM (2000) + XX (20) + VI (6)

Errores comunes a evitar

  • Using IIII instead of IV (clock faces use IIII but standard notation uses IV)
  • Forgetting that Roman numerals have no zero — year must be at least 1

Configuración

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