Tanno Aditya prachodayat
On the seventh day the lord of the Seven Hills Venkateswara alone mounted on the Surya Prabha Vahana of seven horses, wearing a diamond gauntlet goes in procession in the city streets of Tirumala while the rays of the sun spread in the morning announcing that he is Narayana in the midst of Sun’s sphere [Suryamandala],” jyotisham Raviramsuman”.
The Veda says that Sriman Narayana in the midst of Surya Mandala is fit to be meditated upon. So, all the Indians offer prayers and also salutations to the sun. [Surya Namaskaras] They worship lord Surya Narayana with the chant of Gayatri mantra.
Lord Venkateswara blesses the devotees by showering on them health and wealth and allowing them to witness him on the Suryaprabha Vahana announcing that he it is who as the sun God, lights the world.
Annamacharya confirms and praises Venkatewswara as no other than the Sun God in the midst of the Sun’s sphere:
All of you see, see and salute
The parabrahman radiatng near the lake
The sheen of the sun in his sphere
The glitter of the moon in heaven
The glow born from fire on earth
The manifold forms of universal immanence.