https://extensions.gnome.org/review/25497
Review "Persian Calendar" version 84 - GNOME Shell Extensions
persian calendargnome shellreviewversionextensions
https://pub.dev/documentation/persian_calendar_widget/latest/persian_calendar_widget/DateFormatter-class.html
DateFormatter class - persian_calendar_widget library - Dart API
API docs for the DateFormatter class from the persian_calendar_widget library, for the Dart programming language.
persian calendarwidget libraryclassdartapi