ब्रह्म मुहूर्त में सुबह ४ से ६ बजे के बीच या सूर्यास्त के समय। The earliest mantras have been translated by Guru Gorakhnath who had attained Samadhi or the final word union with god. As a consequence of their First intended purpose, these mantras were intended to work fast https://vashikaran91955.pointblog.net/most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-an-overview-75191715