The Nanakshahi (Gurmukhi: ਨਾਨਕਸ਼ਾਹੀ, pronunciation: [naːnakʃaːɦiː]) calendar is a tropical solar calendar used in Sikhism. It is based on the "Barah Maha", a composition composed by the Sikh gurus reflecting the changes in nature conveyed in the twelve-month cycle of the year. The year begins with the month of Chet, with 1 Chet corresponding to 14 March. The reference epoch of the Nanakshahi calendar is the birth of Guru Nanak Dev, corresponding to the year 1469 CE.
Guru Nanak Dev Ji
Sikhism, also known as Sikhi, is an Indian religion and philosophy in particular for the Sikh ethnoreligious group that originated in the Punjab region of India around the end of the 15th century CE. The Sikh scriptures are written in the Gurumukhi script particular to Sikhs. It is one of the most recently founded major religious groups and among the largest in the world, with about 25–30 million adherents.
Darbar Sahib (Golden Temple) in Amritsar, Punjab, the holiest site of the Sikh religion
Tarn Taran Sahib – The World's Largest Sarovar (sacred pool)
A sketch made in 1844 by Emily Eden of the "Akalees or Immortals". Digitized by the Panjab Digital Library.
An Akali-Nihang Sikh Warrior at Harmandir Sahib, also called the Golden Temple