Traditional practice calls for the Gayatri mantra to be recited at the three junctures of the day, dawn, noon and dusk, as part of the sandhyavandanam ritual observed by initiated practitioners, a discipline requiring considerable regularity and one that has become less universally practiced among lay Hindus even where the mantra itself remains widely known.
Nineteenth- and twentieth-century reform movements within Hinduism, including the Arya Samaj, actively promoted wider recitation of the Gayatri mantra across caste lines and by women, arguing that its spiritual benefit should not be restricted by birth, a position that put these reformers in direct tension with more traditionalist Vedic authorities. In the twentieth century the mantra also became one of the most recognizable pieces of Sanskrit chant internationally, adopted within yoga and meditation communities well outside any formal Hindu religious context, often set to music or used as a chant independent of the ritual framework, caste restriction or specific solar theology that originally surrounded it. This global circulation has made the Gayatri mantra, alongside the Sanskrit syllable Om, among the most widely recognized fragments of Vedic religious language even to people with no other exposure to Hindu scripture.