CompactRepresentation.qml

import QtQuick 2.0
import QtQuick.Layouts 1.1
import org.kde.plasma.plasmoid 2.0
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents

Column {
    id: container
    Layout.fillWidth: true
    Layout.fillHeight: true
    Layout.preferredWidth: 100
    Layout.preferredHeight: 40
    property date dateTime: new Date()

    Timer {
        interval: 100; running: true; repeat: true;
        onTriggered: container.dateTime = new Date()
    }
    Text {
        id: time
        anchors.horizontalCenter: parent.horizontalCenter

        color: container.color

        text : Qt.formatDateTime(container.dateTime, "ddd d hh:mm")
        font.pointSize: 12
    }
}