Creates a #GDateTime corresponding to this exact instant in UTC.
This is equivalent to calling glib.date_time.DateTime.newNow with the time zone returned by glib.time_zone.TimeZone.newUtc.
a new #GDateTime, or null
Creates a #GDateTime corresponding to this exact instant in UTC.
This is equivalent to calling glib.date_time.DateTime.newNow with the time zone returned by glib.time_zone.TimeZone.newUtc.