1. Moon Phases - Science@NASA

    https://science.nasa.gov/moon/moon-phases/

    The eight lunar phases are, in order: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent. The cycle repeats once a month (every 29.5 days). Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.

  2. Lunar phase - Wikipedia

    https://en.wikipedia.org/wiki/Lunar_phase

    There are four principal (primary, or major) lunar phases: the new moon, first quarter, full moon, and last quarter (also known as third or final quarter), when the Moon's ecliptic longitude is at an angle to the Sun (as viewed from the center of the Earth) of 0°, 90°, 180°, and 270° respectively.

  3. Lunar Phases and Eclipses - NASA Science

    https://science.nasa.gov/moon/lunar-phases-and-eclipses/

    The eight lunar phases are, in order: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent. The cycle repeats once a month (every 29.5 days).

  4. Moon Phase Calendar for 2024 - The Old Farmer's Almanac

    https://www.almanac.com/astronomy/moon/calendar

    With our 2024 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month. We also highlight the date and time for the four main Moon phases—the new Moon, first quarter, full Moon, and last quarter Moon—as well as provide daily Moon illumination percentages and the Moon's ...

  5. What Are the Moon’s Phases? - NASA Space Place

    https://spaceplace.nasa.gov/moon-phases/en/

    Learn how the Sun’s light creates the different shapes of the Moon that we see each night. Explore the eight Moon phases, their names, and how to observe them with this tool and activities.