A period of time on the Moon, roughly equivalent to 29.5 Earth days, during which the Moon undergoes a cycle of sunrise and sunset.

चंद्र दिवस

English Usage: The rover will remain operational throughout the lunar day to maximize solar energy.

Hindi Usage: रोवर चंद्र दिवस के दौरान सौर ऊर्जा को अधिकतम करने के लिए सक्रिय रहेगा।