code: def julianDay(year, month, day):
      "returns julian day=day since Jan 1 of year"
      hr = 12  #make sure you fall into right day, middle is save
      t = time.mktime((year, month, day, hr, 0, 0.0, 0, 0, -1))
      julDay = time.localtime(t)[7]
      return julDaf julianDay(year, month, day):
      "returns julian day=day since Jan 1 of year"
      hr = 12  #make sure you fall into right day, middle is save
      t = time.mktime((year, month, day, hr, 0, 0.0, 0, 0, -1))
      julDay = time.localtime(t)[7]
      return julDay
docs: returns julian day=day since Jan 1 of year