What was the moon phase on my birthday?
Enter any date and see the exact phase of the Moon that day: its name, how much of it was lit, and a drawing of it, calculated from the real Sun-Earth-Moon geometry. Free.
On August 12, 1987 the Moon was a waning gibbous
87% of its face was lit, shrinking towards new.
The Moon on your next birthdays
| 2026 | new moon | 0% | |
| 2027 | waxing gibbous | 81% | |
| 2028 | waning gibbous | 60% | |
| 2029 | waxing crescent | 8% | |
| 2030 | waxing gibbous | 99% | |
| 2031 | waning crescent | 27% |
Every year's Moon on August 12, 1950–2035 →
The Moon on every day of the year
- January 1
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- January 29
- January 30
- January 31
- February 1
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- February 27
- February 28
- February 29
- March 1
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- March 27
- March 28
- March 29
- March 30
- March 31
- April 1
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- May 1
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- July 1
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- August 1
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- August 29
- August 30
- August 31
- September 1
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- October 1
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- October 31
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- December 31
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