Calendar

Moon on Tue, August 12, 2025

8/11Tue8/13
Lunar Leap 6/19

The Moon on this date is Waning Gibbous, with about 91% of its disk illuminated.

Watch this night's MoonWaning Gibbous“A slightly diminished light rising late”
Illumination
91%
Moonrise
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Moonset
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Moonrise and moonset use your selected observation location.

See the August 2025 Moon calendar and major phase times →

Perseids meteor shower

A reason to stay out a little longer on a summer night.

Around this time each year · estimated peak window

Moonlight will share the predawn sky.

When and how to watch

Find a dark location and watch a wide area of sky with unaided eyes.

Typical peak 2025-08-12–2025-08-14 · approximate annual window, not a year-specific forecast.

Seoul estimate · Korea Standard Time (KST)

Predawn candidate 8/12, 04:00 · watch a wide area of sky.

Moon illumination 93% · the Moon is up and may hide faint meteors.

Clouds and light pollution affect actual visibility.

Check IMO annual meteor forecasts

Moon near Saturn

Let the Moon be your guide to Saturn.

Viewing candidate 8/12, 23:30 · SE · altitude about 25° · Seoul estimate · Korea Standard Time (KST)

When and how to watch

The Moon and Saturn appear close together in our sky; they are not physically close.

Closest approach 8/12, 21:01 KST · 3.6° geocentric separation

Seoul estimate · Korea Standard Time (KST)

Viewing candidate 8/12, 23:30 · SE · altitude about 25°

Clouds and light pollution affect actual visibility.

Past full, it rises later in the evening and remains bright toward dawn.
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