Gayatri Mantras of Navagrahas, the nine ruling planets in Hindu Astrology. Navagraha or the nine planets include Lord Surya, Lord Chandra, Mangala, Bhudha, Guru, Shukra, Shani, Rahu and Ketu. Each day of the week is associated with one of the Navagraha planet. Below are the Navagraha Gayatri mantras for each 9 Grahas.

Navagraha Gayatri Mantras

Surya Gayatri Mantra for Sunday

Om Ashwadhwaja Vidmahe
Pasa Hasthaya Dheemahi
Thanno Soorya Prachodayath

Chandra Gayatri Mantra for Monday

Om Padmadwajaya Vidmahe
Hema Roopaya Dheemahi
Thanno Soma Prachodayath

Angaraka Gayatri Mantra for Tuesday

Om Veeradwajaya Vidmahe
Vighna Hasthaya Dheemahi
Thanno Bhauma Prachodayath.

Budha Gayatri Mantra for Wednesday

Om Gajadwajaya Vidmahe
Shuka Hasthaya Dheemahi
Thanno Budha Prachodayath

Guru Gayatri Mantra for Thursday

Om Vrishabhadwajaya Vidmahe
Ghrini Hasthaya Dheemahi
Thanno Guru Prachodayath

Shukra Gayatri Mantra for Friday

Om Ashwadwajaya Vidmahe
Dhanur Hasthaya Dheemahi
Thanno Shukra Prachodayath

Shani Gayatri Mantra for Saturday

Om Kakadwajaya Vidmahe
Khadga Hasthaya Dheemahi
Thanno Manda Prachodayath.

Rahu Gayatri Mantra

Om Nagadwajaya Vidmahe
Padma Hasthaya Dheemahi
Thanno Rahu Prachodayath

Ketu Gayatri Mantra

Om Ashwadwajaya Vidmahe
Shoola Hasthaya Dheemahi
Thanno Ketu Prachodayath