My Birthday Moon
The Moon from that day, here for you now.
Wed, May 12, 2038
First Quarter
Light and shadow, side by side. There was still room for the light to grow.
Time has passed. The shape of that day’s Moon can still be found.
Phase and illumination use noon in Korea (KST) on the selected date. They do not represent the Moon’s exact position at your birth time and place.
A small record of that day
- Date
- Wed, May 12, 2038
- Sunlit surface
- 50%
- Lunar Date
- Lunar 4/9
Share your first sky with someone close.
Moon Phase on 12 May 2038: First Quarter, 50% Lit
The Moon on May 12, 2038
On May 12, 2038, the Moon will be at first quarter, 7.7 days old and 50% illuminated, in the constellation Leo about 378,030 km (234,897 mi) from Earth. The next Full Moon will follow on May 18, 2038.
- Phase
- First Quarter
- Illumination
- 50%
- Moon age
- 7.7 days since New Moon
- Distance from Earth
- 378,030 km (234,897 mi)
- Constellation
- Leo
- Previous Full Moon
- April 19, 2038
- Next New Moon
- June 3, 2038
- Next Full Moon
- May 18, 2038
Moon phases around May 12, 2038
| Date | Moon | Lit | Age |
|---|---|---|---|
| 5/9 Sun | Waxing Crescent | 20% | 4.7d |
| 5/10 Mon | Waxing Crescent | 29% | 5.7d |
| 5/11 Tue | Waxing Crescent | 39% | 6.7d |
| 5/12 Wed | First Quarter | 50% | 7.7d |
| 5/13 Thu | Waxing Gibbous | 61% | 8.7d |
| 5/14 Fri | Waxing Gibbous | 71% | 9.7d |
| 5/15 Sat | Waxing Gibbous | 81% | 10.7d |
Values are calculated with Astronomy Engine at 12:00 Korea Standard Time (03:00 UTC) on each date; New and Full Moon dates are in UTC. Moon age counts days since the New Moon; distance is centre to centre.
How to find the Moon on your birthday
- Choose your birth year, month and day, then show your Moon.
- Read the phase name and illuminated percentage. A Full Moon appears almost completely lit; a crescent shows a smaller sunlit portion.
- Select “Create my Moon card” to make an image card for that date.
Does birth time or location change the result?
This date-only calculator uses Astronomy Engine at noon Korea Standard Time (03:00 UTC) on the selected date. It does not calculate the exact sky at your birth time or birthplace. Near a phase transition, a different time on the same date can give a different phase or illumination.