يَوْمَ لَا تَمْلِكُ نَفْسٌ لِّنَفْسٍ شَيْـًٔا ۖ وَٱلْأَمْرُ يَوْمَئِذٍ لِّلَّهِ ١٩
It is the Day when a soul will not possess for another soul [power to do] a thing; and the command, that Day, is [entirely] with Allāh.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.