August 2017 moon phase calendar
Full moon in August 2017
Monday, August 7, 2:11 p.m.
Moon in Aquarius
Partial lunar eclipse
New moon in August 2017
Monday, August 21, 2:30 p.m.
Moon in Leo
Total solar eclipse
All times are Eastern Time, which this month is EDT (UTC-4). Full moon: Monday, August 7, 6:11 p.m. UTC. New moon: Monday, August 21, 6:30 p.m. UTC.
Every moon phase in August 2017: the times of the new moon, quarters and full moon, any eclipses, and the phase, illumination and zodiac sign for each day. All times are Eastern Time.
August 2017 moon calendar
Moon phases and eclipses in August 2017
- Full moonMonday, August 7, 2:11 p.m. Aquarius
- Partial lunar eclipseMonday, August 7, 2:20 p.m. Aquarius
- Last quarterMonday, August 14, 9:15 p.m. Taurus
- Total solar eclipseMonday, August 21, 2:25 p.m. Leo
- New moonMonday, August 21, 2:30 p.m. Leo
- First quarterTuesday, August 29, 4:13 a.m. Sagittarius
An eclipse's time is the moment of greatest eclipse. A lunar eclipse can be seen from anywhere the Moon is above the horizon at the time. A total solar eclipse is total only along the narrow path of the Moon's shadow; across a much wider area around it, it appears partial. Not every eclipse is visible from the US.
August 2017 day by day
| Day | Phase | Illumination | Sign at noon |
|---|---|---|---|
| 1Tue | Waxing gibbousIllumination 69% | 69% | Sagittarius |
| 2Wed | Waxing gibbousIllumination 77% | 77% | Sagittarius |
| 3Thu | Waxing gibbousIllumination 85% | 85% | Sagittarius |
| 4Fri | Waxing gibbousIllumination 91% | 91% | Capricorn |
| 5Sat | Waxing gibbousIllumination 96% | 96% | Capricorn |
| 6Sun | Waxing gibbousIllumination 99% | 99% | Aquarius |
| 7Mon | Full moon2:11 p.m.Illumination 100% Partial lunar eclipse | 100% | Aquarius |
| 8Tue | Waning gibbousIllumination 99% | 99% | Aquarius |
| 9Wed | Waning gibbousIllumination 96% | 96% | Pisces |
| 10Thu | Waning gibbousIllumination 91% | 91% | Pisces |
| 11Fri | Waning gibbousIllumination 84% | 84% | Aries |
| 12Sat | Waning gibbousIllumination 76% | 76% | Aries |
| 13Sun | Waning gibbousIllumination 66% | 66% | Taurus |
| 14Mon | Last quarter9:15 p.m.Illumination 55% | 55% | Taurus |
| 15Tue | Waning crescentIllumination 43% | 43% | Gemini |
| 16Wed | Waning crescentIllumination 32% | 32% | Gemini |
| 17Thu | Waning crescentIllumination 22% | 22% | Gemini |
| 18Fri | Waning crescentIllumination 13% | 13% | Cancer |
| 19Sat | Waning crescentIllumination 6% | 6% | Cancer |
| 20Sun | Waning crescentIllumination 2% | 2% | Leo |
| 21Mon | New moon2:30 p.m.Illumination 0% Total solar eclipse | 0% | Leo |
| 22Tue | Waxing crescentIllumination 1% | 1% | Virgo |
| 23Wed | Waxing crescentIllumination 4% | 4% | Virgo |
| 24Thu | Waxing crescentIllumination 10% | 10% | Libra |
| 25Fri | Waxing crescentIllumination 17% | 17% | Libra |
| 26Sat | Waxing crescentIllumination 25% | 25% | Scorpio |
| 27Sun | Waxing crescentIllumination 34% | 34% | Scorpio |
| 28Mon | Waxing crescentIllumination 44% | 44% | Scorpio |
| 29Tue | First quarter4:13 a.m.Illumination 53% | 53% | Sagittarius |
| 30Wed | Waxing gibbousIllumination 63% | 63% | Sagittarius |
| 31Thu | Waxing gibbousIllumination 71% | 71% | Capricorn |
The zodiac sign in the table is where the Moon stands at noon. The Moon changes sign every two to two and a half days, so by the exact moment of a new moon, quarter or full moon it may already be in the next sign. For the phases themselves we give the sign at that exact moment.
Frequently asked questions
When is the full moon in August 2017?
The full moon in August 2017 is on Monday, August 7 at 2:11 p.m. Eastern Time, with the Moon in Aquarius. The partial lunar eclipse that comes with this full moon peaks on Monday, August 7 at 2:20 p.m. ET.
When is the new moon in August 2017?
The new moon in August 2017 is on Monday, August 21 at 2:30 p.m. Eastern Time, with the Moon in Leo. You can't see the Moon at new moon; the first thin crescent shows up in the evening sky a day or two later. The total solar eclipse that comes with this new moon peaks on Monday, August 21 at 2:25 p.m. ET.
When are the quarter moons in August 2017?
Quarter moons in August 2017: last quarter on Monday, August 14 at 9:15 p.m. and first quarter on Tuesday, August 29 at 4:13 a.m. (Eastern Time). At first quarter the right half of the Moon is lit, at last quarter the left half.
When is the Moon waxing in August 2017?
In August 2017 the Moon is waxing on these days: August 1–6 and August 22–31. They fall between the new moon and the full moon, when the lit part of the Moon grows each night.
When is the Moon waning in August 2017?
In August 2017 the Moon is waning on these days: August 8–20. They fall between the full moon and the new moon, when the lit part of the Moon shrinks each night.
Is there an eclipse in August 2017?
Yes: partial lunar eclipse on Monday, August 7 at 2:20 p.m. and total solar eclipse on Monday, August 21 at 2:25 p.m. (Eastern Time). An eclipse's time is the moment of greatest eclipse. A lunar eclipse can be seen from anywhere the Moon is above the horizon at the time. A total solar eclipse is total only along the narrow path of the Moon's shadow; across a much wider area around it, it appears partial. Not every eclipse is visible from the US.
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