My Birthday Moon

The Moon from that day, here for you now.

Tue, December 15, 1987

Waning Crescent

A slender light before the new Moon. Between one ending and the next beginning.

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
Tue, December 15, 1987
Sunlit surface
34%
Lunar Date
Lunar 10/25

Share your first sky with someone close.

Moon on December 15, 1987 — Waning Crescent

The Moon on December 15, 1987 is Waning Crescent, with 34% illumination at noon KST. See and share the Moon from this date.

How to find the Moon on your birthday

  1. Choose your birth year, month and day, then show your Moon.
  2. Read the phase name and illuminated percentage. A Full Moon appears almost completely lit; a crescent shows a smaller sunlit portion.
  3. Select “Share this Moon” to create 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.

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