Guru Nanak Jayanti, also known as Gurpurab is a prominent festival for people who follow Sikhism. This festival is celebrated by Sikhs all across the globe to mark the birth anniversary of their first Sikh Guru, Guru Nanak Dev. The day is celebrated on the full moon day of the Kartik month as per the Hindu calendar. Hence, it is also known as Kartik Poornima. What makes the day more special is that this year will be 550th birth anniversary of Guru Nanak Dev.