The precise moment the sun dips below the horizon varies daily due to the Earth’s orbit and axial tilt. In Tucson, Arizona, this event’s timing shifts throughout the year, occurring earlier in the winter months and later during the summer. Consulting a reliable source such as a weather website or astronomical calendar provides the most accurate information for a specific date.
Knowing the time of the sun’s descent offers practical advantages. It aids in planning outdoor activities, scheduling appointments, and optimizing energy consumption. Historically, the conclusion of daylight marked significant transitions in daily life, influencing farming practices, travel, and social gatherings. Understanding this temporal marker allows for a greater appreciation of the day’s rhythm and its impact on various aspects of human endeavor.