Trouble using QTimeEdit

I'm trying to use a QTimeEdit widget for UTC time. After creating the widget, I call QTimeEdit::setTimeSpec(Qt::UTC). When the widget is displayed, the time is locked at 08:00:00. I can't change the time (I'm in the US Pacific time zone). If I don't set the TimeSpec, the widget works, but offsets programmatically entered times by the local difference from GMT. Is there a bug in QTimeEdit or more likely, am I missing something in setting up the QEditTime widget?

Code snippet creating widget:

Code:

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QLabel* pDateLabel = new QLabel("Collection Date:", pRightWidget);
   mpDate = new QDateEdit(pRightWidget);
   mpDate->setTimeSpec(Qt::UTC);
   mpDate->setCalendarPopup(true);
   QLabel* pTimeLabel = new QLabel("Collection Time (GMT):", pRightWidget);
   mpTime = new QTimeEdit(pRightWidget);
   mpTime->setTimeSpec(Qt::UTC);
   mpTime->setDisplayFormat("HH:mm:ss");

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Method setting the time:

Code:

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void DataCollectionWidget::setCollectionTime(const time_t& time)
 {
    QDateTime dateTime;
    dateTime.setTimeSpec(Qt::UTC);
    dateTime.setTime_t(time);
    if (dateTime.isValid())
    {
       mpDate->setDate(dateTime.date());
       mpTime->setTime(dateTime.time());
    }
 }

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The QDateEdit widget seems to work fine with the call to setTimeSpec(Qt::UTC), just the QTimeEdit widget is locked. QTimeEdit also locks up for Qt::OffsetFromUTC, but works fine (except I don't want the local time zone offset) for Qt::LocalTime.

Dick