def lunar_month(self, date):
'''
:param date:date
:return: lunar month
'''
#date = str(date.year)+'-'+str(date.month)+'-'+str(date.day)
date = dt.datetime.strptime(date, '%Y-%m-%d')
ln = Lunar(date)
lunar_date = ln.ln_date()
return lunar_date[1]
