Originally Posted by Rudegar
i believe it require hardware
there are no software i can think off
which can tell which way north is without
otherwise pc's would have had it years agoe
Check this out: http://www.mobilosiranytu.fw.hu/
I think you're looking for something similar.
I try to translate to English the description:
"This program is not an original compass. This program has the ability to calculate the angle between the northern direction and the direction of the sun (or the moon) by the knowledge of the actual place and time. This angle showed on the display by an orange (the Sun) and a blue (the Moon) arrow. You have to rotate one of the arrows towards the right direction (the orange towards the Sun or the blue towards the Moon), and the compass will show the right directions...."