فَلَا تَعْلَمُ نَفْسٌ مَّآ أُخْفِىَ لَهُم مِّن قُرَّةِ أَعْيُنٍ جَزَآءًۢ بِمَا كَانُوا۟ يَعْمَلُونَ ١٧
And no soul knows what has been hidden for them of comfort for eyes [i.e., satisfaction] as reward for what they used to do.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.