Force QDateTime.toString() to display UTC time

[Queequeg]

How do I force QDateTime.toString () to display UTC time?
If I change the time zone on my computer, then the output of the function also changes. It's pretty obvious, so I added setTimeSpec(Qt::UTC) but it still doesn't work!
I think I am using this incorrectly?
How can I force toString to output timestamp exclusively in UTC format without being bound to the local machine time zone?

This code:

Output:

This code:

Output:

[artwaw]

As stated in the documentation you need to use QDateTime::toUTC().

[Queequeg]

@artwaw Yes, really, thanks, missed it!