#include <QAbstractListModel>
#include <QApplication>
#include <QDateTime>
#include <QListView>
#include <QLocale>
#include <QVector>
#include <QTimeZone>

class MyListModel : public QAbstractListModel
{
    Q_OBJECT
public:
    explicit MyListModel(QObject *parent = Q_NULLPTR) : QAbstractListModel(parent)
    {
        int testDataCount = 5;
        m_items.resize(testDataCount);
        QDateTime(QDate(2017, 5, 27), QTime(), Qt::UTC);
        m_items[0] = QDateTime(QDate(2017, 5, 27), QTime(), Qt::UTC);
        m_items[1] = QDateTime(QDate(2017, 5, 27), QTime(), QTimeZone("Europe/Berlin"));
        m_items[2] = QDateTime(QDate(2017, 5, 27), QTime(), QTimeZone("Europe/Athens"));
        m_items[3] = QDateTime(QDate(2017, 5, 27), QTime(), QTimeZone("Asia/Baku"));
        m_items[4] = QDateTime(QDate(2017, 5, 27), QTime(), QTimeZone("America/New_York"));
    }

    int rowCount(const QModelIndex &) const Q_DECL_OVERRIDE
    {
        return m_items.size();
    }

    QVariant data(const QModelIndex &index, int role) const Q_DECL_OVERRIDE
    {
        auto const row = index.row();
        if (row >= m_items.size() || row < 0)
            return QVariant();

        switch (role)
        {
        case Qt::DisplayRole:
            return QLocale().toString(m_items.at(row));
        case Qt::ToolTipRole:
            return m_items.at(row);
        default:
            break;
        }

        return QVariant();
    }

private:
    QVector<QDateTime> m_items;
};

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QListView view;
    view.setModel(new MyListModel(&view));
    view.resize(600, 300);

    view.show();

    return a.exec();
}

#include "main.moc"