قُلْ فَأْتُوا۟ بِكِتَـٰبٍ مِّنْ عِندِ ٱللَّهِ هُوَ أَهْدَىٰ مِنْهُمَآ أَتَّبِعْهُ إِن كُنتُمْ صَـٰدِقِينَ ٤٩
Say, "Then bring a scripture from Allāh which is more guiding than either of them that I may follow it, if you should be truthful."
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.