newNow
Creates a #GDateTime corresponding to this exact instant in the given time zone @tz. The time is as accurate as the system allows, to a maximum accuracy of 1 microsecond.
This function will always succeed unless GLib is still being used after the year 9999.
You should release the return value by calling g_date_time_unref() when you are done with it.
Return
a new #GDateTime, or null
Since
2.26
Parameters
tz
a #GTimeZone