var days = [
'2017/12/31',
'2018/01/01',
'2018/01/02',
'2018/01/03',
'2018/05/03',
'2018/05/04',
'2018/05/05',
'2018/08/12',
'2018/08/13',
'2018/08/14',
'2018/08/15',
'2018/12/31',
'2019/01/01',
'2019/01/02',
'2019/01/03',
'2019/05/03',
'2019/05/04',
'2019/05/05',
'2019/05/06',
'2019/08/15',
'2019/08/16',
'2019/08/17',
'2019/08/18',
'2019/12/31',
'2020/01/01',
'2020/01/02',
'2020/01/03',
'2020/01/04',
'2020/01/05',
];