New Moon Day 2025. A new moon is essentially the opposite of a full moon. A new moon occurs when the moon is directly between earth and the sun
Full moon this month | new moon this month | eclipses 2025 | back to lunar calendar full moons & new moons in 2025 ( ut/gmt ) time | change to your local timezone The new moon is the first phase of the moon and marks the start of a new lunar cycle as it happens when the sun and earth are aligned in a straight line with the moon in the middle.