The Moon on this date is Waning Crescent, with about 32% of its disk illuminated.
Moonrise and moonset are for Seoul. Moonset is when the Moon that rose this day sets, so it can fall on the next day.
Look for distant Jupiter beside the Moon.
Difficult to see together at night from Seoul.
The Moon and Jupiter appear close together in our sky; they are not physically close.
Closest approach 9/16, 21:41 KST · 4.5° geocentric separation
Seoul estimate · Korea Standard Time (KST)
No nighttime viewing window meets our criteria in Seoul on this date.
Clouds and light pollution affect actual visibility.
On September 16, 2025, the Moon was a waning crescent, 23.9 days old and 32% illuminated, in the constellation Gemini about 377,729 km (234,710 mi) from Earth. The next New Moon followed on September 21, 2025.
| Date | Moon | Lit | Age |
|---|---|---|---|
| 9/13 Sat | Waning Gibbous | 65% | 20.9d |
| 9/14 Sun | Waning Gibbous | 54% | 21.9d |
| 9/15 Mon | Waning Crescent | 42% | 22.9d |
| 9/16 Tue | Waning Crescent | 32% | 23.9d |
| 9/17 Wed | Waning Crescent | 22% | 24.9d |
| 9/18 Thu | Waning Crescent | 14% | 25.9d |
| 9/19 Fri | Waning Crescent | 7% | 26.9d |
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.
