Thaats (Hindustani Musical Scales)

 Thaats were created by a musicologist name Vishnu Narayan Bhatkhande (1860-1936) and his first ideas were inspired by the Mela System of Carnatic Music from South India.

Here are the 10 Thaats and some Ragas which belong to it.

1). Bilawal (Ionian mode): S R G M P D N S (no komal swar)

• Morning: Raag Alhaiya Bilawal, Raag Bilawal
• Evening: Raag Durga
• Night: Raag Bihag, Raag Hamsadhwani

2). Kalyan (Lydian mode): S R G M' P D N S (M' Teevra)

• Afternoon: Raag Shudh Sarang
• Evening: Raag Bhopali, Raag Meru Bihag, Raag Yaman
• Night: Raag Kedar 

3). Khamaj (Mixolydian mode): S R G M P D n S (n komal)

• Evening: Raag Desh, Raag Khamaj
• Night: Raag Gorakh Kalyan, Raag Champakali, Raag Jog, Raag Rageshree, Raag Saraswati, Raag Tilak Kamod

4). Bhairav (double harmonic): S r G M P d N S (rd-komal)

• Morning: Raag Ahir Bhairav, Raag Bairag, Raag Bhairav, Raag Jogiya, Raag Nat Bhairav, Raag Ramkali  

5). Kafi (Dorian mode): S R g M P D n S (gn Komal)

• Morning: Raag Asavari, Raag Jaunpuri
• Afternoon: Bhimpalasi
• Evening: Raag Kafi, Raag Patdeep
• Night: Raag Bageshree, Raag Chandrakauns, Raag Pilu, Raag Shivranjini

6). Asavari (Aeolian mode):  S R g M P d n - (gdn - komal)

• Morning Raag Asavari, Raag Jaunpuri
• Night: Raag Adana, Raag Darbari

7). Bhairavi (Phrygian mode): S r g M P d n S (rgdn- komal)

• Morning: Raag Bhairavi, Raag Komal Rishabh Asavari
• Night: Raag Malkauns

8). Poorvi - S r G M' P d N S (r M'd)  - rd - komal / M' Teevra)

• Dawn: Raag Lalit
• Afternoon: Raag Poorvi
• Evening: Raag Puriya Dhanashree 

9). Marwa - (Lydian b2) :  G M' P D N S (M' Teevra)

• Dawn: Raag Bhatiyar, Raag Sohini
• Evening: Raag Puriya Kalyan

10). Todi - S r g M' P d N S (rgM'd)

• Morning: Gujari Todi
• Afternoon: Raag Madhuvanti, Raag Multan