Bhai Dooj, Bhaubeej, or Bhratri Dwitiya is a festival celebrated by Hindus on the second lunar day of the Shukla Paksha (bright fortnight) of Kartika, the eighth month of the Vikram Samvat Hindu calendar or the Shalivahana Shaka calendar. It is celebrated during the Diwali or Tihar festival and Holi festival. The celebrations of this day are similar to the festival of Raksha Bandhan.