code: def _from_jd_equinox(jd):
      '''Calculate the FR day using the equinox as day 1'''
      jd = trunc(jd) + 0.5
      equinoxe = premier_da_la_annee(jd)
  
      an = gregorian.from_jd(equinoxe)[0] - YEAR_EPOCH
      mois = trunc((jd - equinoxe) / 30.) + 1
      jour = int((jd - equinoxe) % 30) + 1
  
      return (an, mois, jourf _from_jd_equinox(jd):
      '''Calculate the FR day using the equinox as day 1'''
      jd = trunc(jd) + 0.5
      equinoxe = premier_da_la_annee(jd)
  
      an = gregorian.from_jd(equinoxe)[0] - YEAR_EPOCH
      mois = trunc((jd - equinoxe) / 30.) + 1
      jour = int((jd - equinoxe) % 30) + 1
  
      return (an, mois, jour)
docs: Calculate the FR day using the equinox as day 1