should be freed with [glib.date_time.DateTime.unref], or null
DateTime.toUtc
glib.date_time.DateTime toUtc()Creates a new #GDateTime corresponding to the same instant in time as datetime, but in UTC.
This call is equivalent to calling [glib.date_time.DateTime.toTimezone] with the time zone returned by [glib.time_zone.TimeZone.newUtc].
Returns
the newly created #GDateTime which