乙: The second of the Ten Heavenly Stems. Used in personal names to signify a unique individuality.

时: The concept of "Shi Chen" and "Guang Yin" symbolizes the preciousness of time. When used in personal names, it often conveys the idea of cherishing every moment, striving diligently, and creating a meaningful life, thereby enhancing one's ability to seize opportunities and make the most of time.