Krishna Paksha is called the decreasing moon in the Hindu calendar. Krishna is the Sanskrit word for Darkness. The Krishna Paksha is a period of 15 days, which begins on the full moon day and ends on Amavasya. This side is considered inauspicious. It is not considered good to do all auspicious things in Krishna Paksha. During the Krishna Paksha, the moon becomes incomplete at a located of 12 degrees per day, and on the full moon day the moon becomes incomplete.