QDateTimeAxis: Support displaying values in user-specified timezone

import QtQuick
import QtGraphs

Window {
    width: 800
    height: 600
    visible: true

    GraphsView {
        anchors.fill: parent

        axisX: DateTimeAxis {
            labelsAngle: 45
            labelFormat: "hh:mm:ss" // I want to be able to see the labels in local time, or New York time, or some other arbitrary timezone
            min: new Date("2000-01-01T00:00:00Z")
            max: new Date("2000-01-01T00:30:00Z")
        }
        axisY: ValueAxis {
            min: 0
            max: 10
        }

        LineSeries {
            XYPoint { x: new Date("2000-01-01T00:00:00Z"); y:  0 }
            XYPoint { x: new Date("2000-01-01T00:30:00Z"); y: 10 }
        }
    }
}