Vikram Samvat (Hindi, IAST: Vikrama Samvat; abbreviated VS) or Bikram Sambat (Nepali,
abbreviated as BS;
Nepali pronunciation: [bikɾʌm sʌmbʌt] (About this soundlisten)) and also known as the Vikrami calendar, is
the historical Hindu calendar used in the Indian subcontinent. It is the official calendar of Nepal. In
India it is used in several states.[1][2] The traditional Vikram Samvat calendar, as used in India, uses
lunar months and solar sidereal years. The Nepali Bikram Sambat introduced in 1901 AD, uses a solar tropical
year.