2026 to 2126: Birth Star Wise Analysis presents a systematic, century-scale examination of the interaction between long-duration planetary cycles and the twenty-seven Nakshatras within the framework of classical Vedic astrology. Departing from short-horizon predictive models, the work adopts a longitudinal analytical approach, investigating how slow-moving planetary configurations shape enduring patterns in karma, interpersonal relationships, economic behavior, and financial continuity across multiple generations. The study is grounded in traditional Jyotiṣa principles while engaging critically with Oriental and Western philosophical thought, human psychology, and sociological theory. Nakshatras are treated not merely as symbolic markers of individual temperament, but as dynamic temporal units whose influences unfold through extended planetary rhythms. This approach allows for the identification of structural tendencies and cyclical regularities rather than isolated or event-specific outcomes. Emphasis is placed on karmic momentum, inheritance of tendencies, and the continuity of life-patterns over time. By correlating Nakshatra-based dispositions with long planetary cycles, the work seeks to demonstrate how destiny operates as an evolving process shaped by temporal depth, contextual conditions, and cumulative causality. Intended for scholars, advanced students of astrology, and serious researchers, 2026 to 2126: Birth Star Wise Analysis positions astrology as a disciplined analytical system capable of long-term pattern recognition. The book contributes to the understanding of Jyotiṣa not as a tool of prediction alone, but as a structured study of time, order, and human consequence operating across a hundred-year horizon.