Nanakshahi Calendar 2025 June. ਨਾਨਕਸ਼ਾਹੀ, nānakshāhī) calendar is a tropical solar calendar that is used to determine the dates of gurpurabs (historical dates of the gurus) and other historical events and festivals in. The sikh calendar is called the nanakshahi calendar and takes its name from guru nanak, who founded sikhism.

Convert dates to and from the nanakshahi calendar and other historical calendars. ਨਾਨਕਸ਼ਾਹੀ, nānakashāhī) calendar is a solar calendar that was adopted by the shiromani gurdwara prabhandak committee to determine the dates for important sikh events.