var days = [
'2019/04/01',
'2019/04/08',
'2019/05/21',
'2019/05/22',
'2019/05/29',
'2019/12/30',
'2019/12/31',
'2020/01/01',
'2020/01/02',
'2020/01/03',
'2020/01/04',
]