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 July 21, 2015 the Moon was a waxing crescent
26% of its face was lit, growing towards full.
The Moon on your next birthdays
| 2026 | first quarter | 50% | |
| 2027 | waning gibbous | 93% | |
| 2028 | waning crescent | 1% | |
| 2029 | waxing gibbous | 81% | |
| 2030 | waning gibbous | 58% | |
| 2031 | waxing crescent | 4% |
Every year's Moon on July 21, 1950–2035 →
The Moon on every day of the year
- January 1
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- January 20
- January 21
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- January 25
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- January 27
- January 28
- January 29
- January 30
- January 31
- February 1
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- February 20
- February 21
- February 22
- February 23
- February 24
- February 25
- February 26
- February 27
- February 28
- February 29
- March 1
- March 2
- March 3
- March 4
- March 5
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- March 20
- March 21
- March 22
- March 23
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- March 25
- March 26
- March 27
- March 28
- March 29
- March 30
- March 31
- April 1
- April 2
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- April 21
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- April 28
- April 29
- April 30
- May 1
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- May 31
- June 1
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- June 27
- June 28
- June 29
- June 30
- July 1
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- July 29
- July 30
- July 31
- August 1
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- August 21
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- August 27
- August 28
- August 29
- August 30
- August 31
- September 1
- September 2
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- September 20
- September 21
- September 22
- September 23
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- September 25
- September 26
- September 27
- September 28
- September 29
- September 30
- October 1
- October 2
- October 3
- October 4
- October 5
- October 6
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- October 8
- October 9
- October 10
- October 11
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- October 14
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- October 20
- October 21
- October 22
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- October 26
- October 27
- October 28
- October 29
- October 30
- October 31
- November 1
- November 2
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- November 27
- November 28
- November 29
- November 30
- December 1
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- December 31
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