The "first quarter" phase refers to a specific period in the lunar cycle, occurring after the new moon and before the full moon. During this phase, half of the moon's surface is illuminated, making it appear as a semi-circle in the night sky. This phase typically lasts about seven days and is a time when the moon is visible in the evening. In astrology, the first quarter is often associated with action and decision-making. It represents a time of growth and development, encouraging individuals to take steps toward their goals. This phase can be seen as a pivotal moment for reflection and planning, influencing various aspects of life, including personal and professional endeavors.