Date filter unique

[ArmandArthur]

Hello,

If i have these dates:

2020-02-23 14:00 2020-02-23 10:00

2020-02-22 14:00 2020-02-22 10:00

2020-02-19 10:00

I would like the filter liste give :

2020-02-23
2020-02-22 2020-02-19

And when i choose

2020-02-23

gives : 2020-02-23 14:00 2020-02-23 10:00 as results database

It's possible? Thx