وَنُفِخَ فِى ٱلصُّورِ فَإِذَا هُم مِّنَ ٱلْأَجْدَاثِ إِلَىٰ رَبِّهِمْ يَنسِلُونَ ٥١
And the Horn will be blown; and at once from the graves to their Lord they will hasten.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.