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 December 13, 2002 the Moon was a waxing gibbous
67% of its face was lit, growing towards full.
The Moon on your next birthdays
| 2026 | waxing crescent | 17% | |
| 2027 | full moon | 100% | |
| 2028 | waning crescent | 9% | |
| 2029 | waxing gibbous | 57% | |
| 2030 | waning gibbous | 89% | |
| 2031 | waning crescent | 1% |
Every year's Moon on December 13, 1950–2035 →
The Moon on every day of the year
- January 1
- January 2
- January 3
- January 4
- January 5
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- January 9
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- January 20
- January 21
- January 22
- January 23
- January 24
- January 25
- January 26
- January 27
- January 28
- January 29
- January 30
- January 31
- February 1
- February 2
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- February 11
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- February 13
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- February 16
- February 17
- February 18
- February 19
- 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
- March 6
- March 7
- March 8
- March 9
- March 10
- March 11
- March 12
- March 13
- March 14
- March 15
- March 16
- March 17
- March 18
- March 19
- March 20
- March 21
- March 22
- March 23
- March 24
- March 25
- March 26
- March 27
- March 28
- March 29
- March 30
- March 31
- April 1
- April 2
- April 3
- April 4
- April 5
- April 6
- April 7
- April 8
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- April 11
- April 12
- April 13
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- April 18
- April 19
- April 20
- April 21
- April 22
- April 23
- April 24
- April 25
- April 26
- April 27
- April 28
- April 29
- April 30
- May 1
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- May 3
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- May 5
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- May 23
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- May 27
- May 28
- May 29
- May 30
- May 31
- June 1
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- June 14
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- June 18
- June 19
- June 20
- June 21
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- June 23
- June 24
- June 25
- June 26
- June 27
- June 28
- June 29
- June 30
- July 1
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- July 28
- July 29
- July 30
- July 31
- August 1
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- August 18
- August 19
- August 20
- August 21
- August 22
- August 23
- August 24
- August 25
- August 26
- August 27
- August 28
- August 29
- August 30
- August 31
- September 1
- September 2
- September 3
- September 4
- September 5
- September 6
- September 7
- September 8
- September 9
- September 10
- September 11
- September 12
- September 13
- September 14
- September 15
- September 16
- September 17
- September 18
- September 19
- September 20
- September 21
- September 22
- September 23
- September 24
- September 25
- September 26
- September 27
- September 28
- September 29
- September 30
- October 1
- October 2
- October 3
- October 4
- October 5
- October 6
- October 7
- October 8
- October 9
- October 10
- October 11
- October 12
- October 13
- October 14
- October 15
- October 16
- October 17
- October 18
- October 19
- October 20
- October 21
- October 22
- October 23
- October 24
- October 25
- October 26
- October 27
- October 28
- October 29
- October 30
- October 31
- November 1
- November 2
- November 3
- November 4
- November 5
- November 6
- November 7
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- November 9
- November 10
- November 11
- November 12
- November 13
- November 14
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- November 17
- November 18
- November 19
- November 20
- November 21
- November 22
- November 23
- November 24
- November 25
- November 26
- November 27
- November 28
- November 29
- November 30
- December 1
- December 2
- December 3
- December 4
- December 5
- December 6
- December 7
- December 8
- December 9
- December 10
- December 11
- December 12
- December 13
- December 14
- December 15
- December 16
- December 17
- December 18
- December 19
- December 20
- December 21
- December 22
- December 23
- December 24
- December 25
- December 26
- December 27
- December 28
- December 29
- December 30
- December 31
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