Exact name of the list in Apple Reminders. Leave empty for your default list.

Tap a time to get its next occurrence. Tap it again to move one day further.

1. Open the Shortcuts app and create a new shortcut with exactly the name above.
2. Add Get Dictionary from Input (Wörterbuch aus Eingabe abrufen) with Shortcut Input.
3. Add Get Dates from Input (Datumsangaben aus Eingabe abrufen). As input pick Dictionary, then tap it and set the key due.
4. Add Add New Reminder (Erinnerung hinzufügen). Title: Dictionary with key title. List: Dictionary with key list. Turn on Remind Me and use Dates as the time.
5. If the list does not get picked up, select your list directly in that action instead.
6. Send a test reminder from this app. The first time, allow the app to open Shortcuts.

The app sends {"title","due":"YYYY-MM-DD HH:MM","list"} as text input.