import com.sun.javafx.runtime.VersionInfo;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ComboBox;
import javafx.scene.control.DatePicker;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;

import java.time.chrono.Chronology;

public class DatePickerApp extends Application {
    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle(VersionInfo.getRuntimeVersion());
        stage.setScene(createScene());

        stage.show();
    }

    private Scene createScene() {
        final DatePicker datePicker = new DatePicker();

        datePicker.setChronology(Chronology.of("Hijrah-umalqura"));
        HBox root = new HBox();
        root.getChildren().add(datePicker);

        return new Scene(root, 400, 300);
    }
}