The Nishan Sahib's cloth covering and flag are traditionally replaced once a year, most commonly during the Vaisakhi festival in mid-April, which also commemorates the founding of the Khalsa by Guru Gobind Singh in 1699, linking the flagpole's annual renewal to one of the most significant dates in the Sikh religious calendar.
The ceremony, often called Nishan Sahib Seva, typically involves lowering the flag, washing the pole, and re-wrapping it in new saffron cloth before the flag is ceremonially reraised, a task usually performed by volunteers from the congregation as an act of seva, or selfless service, one of the central ethical practices in Sikh life.
The Khanda emblem itself, in the standardized form now flown on Nishan Sahibs worldwide, was formalized during the Singh Sabha reform movement of the late nineteenth and early twentieth centuries, part of a broader effort within that period to standardize Sikh symbols and practice, though flags and banners marking sacred Sikh sites are attested well before that formal standardization. Because the Nishan Sahib is raised at every gurdwara regardless of size, from grand historic complexes to small local congregations, it functions as one of the most consistent and immediately recognizable markers of Sikh sacred space anywhere in the world, uniting architecturally disparate buildings under a single shared visual signal.