class IranCalendar(models.Model):
  title = models.CharField(max_length=258, null=True, blank=True)
  isvacation = models.IntegerField()
  calendar = models.CharField(max_length=21)
  day = models.IntegerField()
  month = models.IntegerField()
  rule_type = models.IntegerField()
  day_of_week = models.IntegerField()
  nth = models.IntegerField()