You might be interested in these PCFs
Extended Date Picker
A control to replicate Date Picker with Office Fabric UI with some extended features.
Tag Picker Component
A control to allow users to associate / disassociate records for a many-to-many relationship in t...
TimePicker PCF
A control to display the time part of a datetime field and supports quick values from a dropdown.
Month Picker Control
Month Picker is a simple control that allows the user to pick a month of the year.

