The arrival of Muharram, the Islamic New Year, has ignited discussion regarding the compatibility of Javanese cultural traditions with Islamic teachings. Specifically, the observance of *Malam Satu Suro*, a Javanese ritual marking the first night of Muharram, is being questioned by some as potentially conflicting with Islamic principles. While Muharram holds significant religious importance as the start of the Hijri calendar, certain Javanese customs associated with the night are viewed by some as superstitious or rooted in pre-Islamic beliefs. The debate centers on whether these traditions represent harmless cultural expression or deviate from core Islamic tenets. Religious leaders and cultural observers are weighing in on the issue, offering differing perspectives on the role of tradition within a Muslim context. The discussion highlights the ongoing negotiation between faith and cultural heritage in Indonesia, a nation with a rich tapestry of traditions. The core of the debate revolves around identifying practices considered *takhayul* (superstition) and their place within Islamic observance.