0.1 Observance
0.1.1 Thiruvalluvar Day is usually observed on January 15 or January 16 in Tamil Nadu.
0.1.2 It is observed as part of Pongal celebrations.

0.2 Historical Background
0.2.1 Thiruvalluvar Day was first celebrated on May 17 and 18, 1935.

0.3 Significance
0.3.1 The day honours the Tamil poet and philosopher Thiruvalluvar.
0.3.2 He is regarded as a cultural icon of Tamil society.
0.3.3 He is fondly known as Valluvar.

0.4 Literary Contribution
0.4.1 Thiruvalluvar authored Thirukkural, his most famous work.
0.4.2 Thirukkural consists of 1,330 couplets (kurals).
0.4.3 These are divided into 133 chapters, each containing 10 couplets.

0.5 Structure and Themes of Thirukkural
0.5.1 The text is divided into three sections:

• Dharma (Virtue)
• Artha (Wealth)
• Kama (Love)
  0.5.2 The couplets deal with ethics, politics, economy, and personal conduct.
  0.5.3 The verses are written in a concise poetic form, aiding memorability.