convert number of days into months c#

C#
//This function is meant for general conversions only.  
//Converting the months between two known date ranges may cause odd results
private int ConvertDaysToMonths(double days)
{
  // Divide by this constant to convert days to months.
  const double daysToMonths = 30.4368499;

  return Convert.ToInt32(Math.Floor(days / daysToMonths));
}
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