You might be interested in these PCFs
Timezone Display
A control to display a Dataverse DateTime field across multiple timezones on a model-driven form.
DateTimePicker
A control that provides a clean and modern calendar popup for selecting dates and times.
Month Picker Control
Month Picker is a simple control that allows the user to pick a month of the year.
Extended Date Picker
A control to replicate Date Picker with Office Fabric UI with some extended features.

