Sunday is a name that carries both religious and celestial connotations. It is derived from the Old English word "Sunnandæg," meaning "day of the sun," and is also the day of the week traditionally reserved for rest and worship in many Christian cultures. In addition to its spiritual significance, Sunday is also associated with warmth, light, and positivity, much like the sun itself. As a name, Sunday is often chosen for its cheerful and uplifting feel, making it a popular choice for both boys and girls. Overall, Sunday is a versatile and timeless name that exudes a sense of peace and renewal.