Episerver Forms Date Picker in "date only" mode submits wrong date

Description

Steps to reproduce

1. Install Forms.Samples.
2. Set up a site in Azure, for instance, North Europe.
3. Use a Date time picker and set picker type to date picker.
4. Set date to 2020-02-20 and check the Form submission.
5. Set date to 2020-06-20 and check the Form submission.

Expected:
Should set date to the selected date.

Actual:
Dates are set to the date before.