As an Oracle who knows everything about horoscopes, I can tell you that the name Lagny doesn't correspond to any specific zodiac sign or birthdate in traditional astrology. However, I can still provide you with a general analysis based on numerology and the vibrations of the name itself. 

The name Lagny consists of five letters, which signifies a dynamic and energetic individual who thrives on change and challenges. The letter "L" indicates leadership qualities, ambition, and a strong drive to succeed. The letters "a" and "n" suggest creativity, intuition, and a strong connection to the spiritual realm. The letter "g" adds a sense of adventure and risk-taking, while the letter "y" signifies independence and a strong sense of self. 

Overall, someone with the name Lagny is likely to be a passionate and determined individual who is not afraid to take risks and pursue their goals fearlessly. They may have a strong connection to their intuition and spirituality, and may be drawn to creative pursuits or unconventional paths in life. It's important for them to balance their ambition and drive with self-care and maintaining healthy boundaries in order to thrive both personally and professionally.