(Maryam) 19 : 11
فَخَرَجَ عَلَىٰ قَوْمِهِ مِنَ الْمِحْرَابِ فَأَوْحَىٰ إِلَيْهِمْ أَنْ سَبِّحُوا بُكْرَةً وَعَشِيًّا
So he came out to his people from the shrine and told them in sign language to glorify Lord in the dusk and dawn.
See explanation 3: 37 and 41.