The August 2025 Full Moon will be on Saturday, August 9, 2025 at 3:55 AM EDT. It will be the eighth full moon of 2025.
A full moon occurs when the Earth is between the Sun and the Moon, so the moon looks completely illuminated. It happens about once a month or 29.53 days on average, also called a synodic month.
Ready to dive a little deeper into the August Full Moon of 2025? Learn more about the moon’s nicknames and other facts about it.
Get ready for August 2025’s Full Sturgeon Moon
The full moon in August 2025 is on Saturday, August 9. The August full moon will be the eighth full moon of the year.
The August 9 full moon will be second full moon of Summer as the second full moon after the Summer Solstice. Depending on if the June Full Moon occurred before or after the Solstice, the August Full Moon is either the second or third full moon of Summer. Also in some years, the August full moon is a seasonal blue moon as the third full moon in a season with four full moons.
When is the August Full Moon in 2025?
The peak of the Full August Moon will be at 3:55 a.m. EDT on August 9th. The moon will look fairly full the day before and after. The August 9 Full Moon will be the full moon in Aquarius.
Names for the August Full Moon
The August full moon is commonly referred to as the Full Sturgeon Moon. It’s likely not a name you would guess. The Full Sturgeon Moon gets its name as sturgeon are caught in high numbers in North America’s Great Lakes at that time of year.
Other nicknames for the August Full Moon include the Barley Moon, Corn Moon, Dog Moon, Fruit Moon, Grain Moon, Green Corn Moon, Herb Moon, Red Moon, and Wyrt Moon.
Will there be a Lunar Eclipse in August?
No, there will not be a lunar eclipse in August 2025. March and September will each have a Total Lunar Eclipse, also called a Blood Moon.
Will there a full supermoon in August?
No, there will not be a full supermoon in August. The 2025 super full moons will be in October, November, and December.
A full supermoon is a full moon that nearly coincides with the closest point at which the Moon comes to Earth in its orbit, called perigee. The moon will have a larger-than-usual appearance. There isn’t an official definition of the exact distance the moon needs to be to be called a supermoon. It’s approximately 360,000 kilometers or closer, depending on the definition.
Will August be a blue moon?
No, there will not be a blue moon in August, nor any other month in 2025. There was a seasonal blue moon in 2024 and there will be a blue moon in 2026 with a second full moon in May.
There are two definitions of blue moons. The most common, and the one you likely know, is when two full moons occur in the same month. The second full moon is typically called a blue moon.
The second definition relates to having an extra full moon on the calendar during a season. When a season has four full moons, the third full moon is also called a blue moon or a seasonal blue moon.
Moon Phases for the August Full Moon
Below are the four core moon phases for the August Full Moon, including the new moon, first quarter, full moon, and last quarter. The lunar cycle for the Full Moon began in July and ended in August.
| Moon Phase | Date & Time | Season |
|---|---|---|
| New Moon | Thu, July 24, 3:11 p.m. | Summer |
| First Quarter | Fri, August 1, 8:41 a.m. | Summer |
| Full Moon | Sat, August 9, 3:55 a.m. | Summer |
| Last Quarter | Sat, August 16, 1:12 a.m. | Summer |
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Sources
The dates and times provided by NASA are set to United States (USA) Eastern Time for states including New York and Florida, adjusted for Daylight Saving Time for part of the year. Since you may be in a different time zone, the exact dates may shift for your calendar.